diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index edd7170..89ddb04 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -78,4 +78,3 @@ repos:
         entry: mypy
         language: system
         types_or: [python, pyi]
-        exclude: tasks.py$
diff --git a/poetry.lock b/poetry.lock
index 3ec4d62..b8693ae 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -253,6 +253,35 @@ Django = ">=2.2"
 phonenumbers = ["phonenumbers (>=7.0.2)"]
 phonenumberslite = ["phonenumberslite (>=7.0.2)"]
 
+[[package]]
+name = "django-stubs"
+version = "1.9.0"
+description = "Mypy stubs for Django"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+django = "*"
+django-stubs-ext = ">=0.3.0"
+mypy = ">=0.910"
+toml = "*"
+types-pytz = "*"
+types-PyYAML = "*"
+typing-extensions = "*"
+
+[[package]]
+name = "django-stubs-ext"
+version = "0.3.1"
+description = "Monkey-patching and extensions for django-stubs"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+django = "*"
+typing-extensions = "*"
+
 [[package]]
 name = "django-two-factor-auth"
 version = "1.13"
@@ -807,6 +836,22 @@ category = "dev"
 optional = false
 python-versions = "*"
 
+[[package]]
+name = "types-pytz"
+version = "2021.3.3"
+description = "Typing stubs for pytz"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "types-pyyaml"
+version = "6.0.1"
+description = "Typing stubs for PyYAML"
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "types-requests"
 version = "2.26.3"
@@ -930,7 +975,7 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10"
-content-hash = "17e06d5348b12d6c12a95b1a9ba60278cddae6d15f80d4eba7173a67e5b5b123"
+content-hash = "35d359b39bfd7c907a1119797a4badf33b3f3c964a5ec90e85c781cf99fecf7e"
 
 [metadata.files]
 asgiref = [
@@ -1096,6 +1141,14 @@ django-phonenumber-field = [
     {file = "django-phonenumber-field-5.2.0.tar.gz", hash = "sha256:52b2e5970133ec5ab701218b802f7ab237229854dc95fd239b7e9e77dc43731d"},
     {file = "django_phonenumber_field-5.2.0-py3-none-any.whl", hash = "sha256:5547fb2b2cc690a306ba77a5038419afc8fa8298a486fb7895008e9067cc7e75"},
 ]
+django-stubs = [
+    {file = "django-stubs-1.9.0.tar.gz", hash = "sha256:664843091636a917faf5256d028476559dc360fdef9050b6df87ab61b21607bf"},
+    {file = "django_stubs-1.9.0-py3-none-any.whl", hash = "sha256:59c9f81af64d214b1954eaf90f037778c8d2b9c2de946a3cda177fefcf588fbd"},
+]
+django-stubs-ext = [
+    {file = "django-stubs-ext-0.3.1.tar.gz", hash = "sha256:783c198d7e39a41be0b90fd843fa2770243a642922af679be4b19e03b82c8c28"},
+    {file = "django_stubs_ext-0.3.1-py3-none-any.whl", hash = "sha256:a51a3e9e844d4e1cacaaedbb33bf3def78a3956eed5d9575a640bd97ccd99cec"},
+]
 django-two-factor-auth = []
 filelock = [
     {file = "filelock-3.4.2-py3-none-any.whl", hash = "sha256:cf0fc6a2f8d26bd900f19bf33915ca70ba4dd8c56903eeb14e1e7a2fd7590146"},
@@ -1525,6 +1578,14 @@ types-pillow = [
     {file = "types-Pillow-8.3.11.tar.gz", hash = "sha256:aa96a739184f48f69e6f30218400623fc5a95f5fec199c447663a32538440405"},
     {file = "types_Pillow-8.3.11-py3-none-any.whl", hash = "sha256:998189334e616b1dd42c9634669efbf726184039e96e9a23ec95246e0ecff3fc"},
 ]
+types-pytz = [
+    {file = "types-pytz-2021.3.3.tar.gz", hash = "sha256:f6d21d6687935a1615db464b1e1df800d19502c36bc0486f43be7dfd2c404947"},
+    {file = "types_pytz-2021.3.3-py3-none-any.whl", hash = "sha256:75859c64c9a97d68259af6da208e8f5aaf4be4536e4d431a82a6e8b848fc183d"},
+]
+types-pyyaml = [
+    {file = "types-PyYAML-6.0.1.tar.gz", hash = "sha256:2e27b0118ca4248a646101c5c318dc02e4ca2866d6bc42e84045dbb851555a76"},
+    {file = "types_PyYAML-6.0.1-py3-none-any.whl", hash = "sha256:d5b318269652e809b5c30a5fe666c50159ab80bfd41cd6bafe655bf20b29fcba"},
+]
 types-requests = [
     {file = "types-requests-2.26.3.tar.gz", hash = "sha256:d63fa617846dcefff5aa2d59e47ab4ffd806e4bb0567115f7adbb5e438302fe4"},
     {file = "types_requests-2.26.3-py3-none-any.whl", hash = "sha256:ad18284931c5ddbf050ccdd138f200d18fd56f88aa3567019d8da9b2d4fe0344"},
diff --git a/pre-commit.Dockerfile b/pre-commit.Dockerfile
deleted file mode 100644
index f9833da..0000000
--- a/pre-commit.Dockerfile
+++ /dev/null
@@ -1,2 +0,0 @@
-FROM python:3.8.6-buster
-RUN python3 -m pip install pre-commit==2.9.3
diff --git a/pyproject.toml b/pyproject.toml
index f594f43..58147a4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,6 +43,7 @@ types-setuptools = "^57.4.5"
 types-toml = "^0.10.1"
 types-beautifulsoup4 = "^4.10.7"
 types-Pillow = "^8.3.11"
+django-stubs = "^1.9.0"
 
 [tool.black]
 target-version = ['py38']
@@ -63,6 +64,16 @@ env = [
 
 [tool.mypy]
 mypy_path = "$MYPY_CONFIG_FILE_DIR/stubs:$MYPY_CONFIG_FILE_DIR/src"
+plugins = ["mypy_django_plugin.main"]
+disallow_untyped_defs = true
+warn_redundant_casts = true
+strict_equality = true
+disallow_untyped_calls = true
+warn_unreachable = true
+enable_error_code = ["redundant-expr", "truthy-bool"]
+
+[tool.django-stubs]
+django_settings_module = "blog.settings"
 
 [[tool.mypy.overrides]]
 module = [
@@ -71,7 +82,8 @@ module = [
     "django_otp.plugins.otp_static.models",
     "two_factor.models",
     "django_otp.plugins.otp_totp.models",
-    "model_bakery"
+    "model_bakery",
+    "invoke",
 ]
 ignore_missing_imports = true
 
diff --git a/src/articles/admin.py b/src/articles/admin.py
index 2776663..40f3ef6 100644
--- a/src/articles/admin.py
+++ b/src/articles/admin.py
@@ -1,6 +1,10 @@
+from typing import cast
+
 from django.contrib import admin, messages
 from django.contrib.admin import register
 from django.contrib.auth.admin import UserAdmin
+from django.db.models import QuerySet
+from django.http import HttpRequest, HttpResponse, HttpResponseRedirect
 from django.shortcuts import redirect
 
 from .models import Article, Tag, User
@@ -73,13 +77,13 @@ class ArticleAdmin(admin.ModelAdmin):
     autocomplete_fields = ["tags"]
     show_full_result_count = False
 
-    def get_queryset(self, request):
+    def get_queryset(self, request: HttpRequest) -> QuerySet:
         queryset = super().get_queryset(request)
         queryset = queryset.prefetch_related("tags")
         return queryset
 
     @admin.action(description="Publish selected articles")
-    def publish(self, request, queryset):
+    def publish(self, request: HttpRequest, queryset: QuerySet) -> None:
         if not request.user.has_perm("articles.change_article"):
             messages.warning(request, "You're not allowed to do this.")
             return
@@ -88,7 +92,7 @@ class ArticleAdmin(admin.ModelAdmin):
         messages.success(request, f"{len(queryset)} articles published.")
 
     @admin.action(description="Unpublish selected articles")
-    def unpublish(self, request, queryset):
+    def unpublish(self, request: HttpRequest, queryset: QuerySet) -> None:
         if not request.user.has_perm("articles.change_article"):
             messages.warning(request, "You're not allowed to do this.")
             return
@@ -97,7 +101,7 @@ class ArticleAdmin(admin.ModelAdmin):
         messages.success(request, f"{len(queryset)} articles unpublished.")
 
     @admin.action(description="Refresh draft key of selected articles")
-    def refresh_draft_key(self, request, queryset):
+    def refresh_draft_key(self, request: HttpRequest, queryset: QuerySet) -> None:
         if not request.user.has_perm("articles.change_article"):
             messages.warning(request, "You're not allowed to do this.")
             return
@@ -110,12 +114,14 @@ class ArticleAdmin(admin.ModelAdmin):
     class Media:
         css = {"all": ("admin_articles.css",)}
 
-    def response_post_save_add(self, request, obj: Article):
+    def response_post_save_add(
+        self, request: HttpRequest, obj: Article
+    ) -> HttpResponseRedirect:
         if "_preview" in request.POST:
-            return redirect("article-detail", slug=obj.slug)
+            return cast(HttpResponseRedirect, redirect("article-detail", slug=obj.slug))
         return super().response_post_save_add(request, obj)
 
-    def response_change(self, request, obj: Article):
+    def response_change(self, request: HttpRequest, obj: Article) -> HttpResponse:
         if "_preview" in request.POST:
             obj.save()
             return redirect("article-detail", slug=obj.slug)
@@ -129,11 +135,11 @@ class ArticleAdmin(admin.ModelAdmin):
             return redirect(".")
         return super().response_change(request, obj)
 
-    def read_time(self, instance: Article):
+    def read_time(self, instance: Article) -> str:
         return f"{instance.get_read_time()} min"
 
     @admin.display(boolean=True)
-    def has_custom_css(self, instance: Article):
+    def has_custom_css(self, instance: Article) -> bool:
         return bool(instance.custom_css)
 
 
diff --git a/src/articles/markdown.py b/src/articles/markdown.py
index acefada..1c44e59 100644
--- a/src/articles/markdown.py
+++ b/src/articles/markdown.py
@@ -9,15 +9,15 @@ from markdown.inlinepatterns import (
 
 
 class LazyImageInlineProcessor(ImageInlineProcessor):
-    def handleMatch(self, m, data):
+    def handleMatch(self, m, data):  # type: ignore
         el, match_start, index = super().handleMatch(m, data)
         if el is not None:
             el.set("loading", "lazy")
-        return el, match_start, index
+        return el, match_start, index  # type: ignore
 
 
 class LazyImageReferenceInlineProcessor(ImageReferenceInlineProcessor):
-    def makeTag(self, href, title, text):
+    def makeTag(self, href, title, text):  # type: ignore
         el = super().makeTag(href, title, text)
         if el is not None:
             el.set("loading", "lazy")
@@ -25,7 +25,7 @@ class LazyImageReferenceInlineProcessor(ImageReferenceInlineProcessor):
 
 
 class LazyLoadingImageExtension(Extension):
-    def extendMarkdown(self, md: Markdown):
+    def extendMarkdown(self, md: Markdown) -> None:
         md.inlinePatterns.register(
             LazyImageInlineProcessor(IMAGE_LINK_RE, md), "image_link", 150
         )
diff --git a/src/articles/migrations/0024_auto_20201224_1746.py b/src/articles/migrations/0024_auto_20201224_1746.py
index 067660e..99e4c26 100644
--- a/src/articles/migrations/0024_auto_20201224_1746.py
+++ b/src/articles/migrations/0024_auto_20201224_1746.py
@@ -1,15 +1,16 @@
 # Generated by Django 3.1.3 on 2020-12-24 16:46
-
+from django.apps.registry import Apps
 from django.db import migrations, models
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
 
 
-def forwards_func(apps, schema_editor):
+def forwards_func(apps: Apps, schema_editor: BaseDatabaseSchemaEditor) -> None:
     Article = apps.get_model("articles", "Article")
     db_alias = schema_editor.connection.alias
     Article.objects.using(db_alias).filter(slug="about-me").update(is_home=True)
 
 
-def reverse_func(apps, schema_editor):
+def reverse_func(apps: Apps, schema_editor: BaseDatabaseSchemaEditor) -> None:
     pass
 
 
diff --git a/src/articles/migrations/0027_auto_20210303_1633.py b/src/articles/migrations/0027_auto_20210303_1633.py
index b950f18..b68c4fc 100644
--- a/src/articles/migrations/0027_auto_20210303_1633.py
+++ b/src/articles/migrations/0027_auto_20210303_1633.py
@@ -1,15 +1,17 @@
 # Generated by Django 3.1.5 on 2021-03-03 15:33
-
+from django.apps.registry import Apps
 from django.db import migrations, models
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
 
 
-def forwards(apps, schema_editor):
+def forwards(apps: Apps, schema_editor: BaseDatabaseSchemaEditor) -> None:
     Tag = apps.get_model("articles", "Tag")
     Article = apps.get_model("articles", "Article")
     db_alias = schema_editor.connection.alias
     articles = Article.objects.using(db_alias).all()
     for article in articles:
         tags = []
+        keyword: str
         for keyword in list(
             filter(None, map(lambda k: k.strip(), article.keywords.split(",")))
         ):
@@ -22,7 +24,7 @@ def forwards(apps, schema_editor):
     Article.objects.bulk_update(articles, ["keywords"])
 
 
-def backwards(apps, schema_editor):
+def backwards(apps: Apps, schema_editor: BaseDatabaseSchemaEditor) -> None:
     Article = apps.get_model("articles", "Article")
     db_alias = schema_editor.connection.alias
     articles = Article.objects.using(db_alias).all()
diff --git a/src/articles/migrations/0030_tag_slug.py b/src/articles/migrations/0030_tag_slug.py
index d74517a..f2aa77f 100644
--- a/src/articles/migrations/0030_tag_slug.py
+++ b/src/articles/migrations/0030_tag_slug.py
@@ -1,10 +1,11 @@
 # Generated by Django 3.1.5 on 2021-03-04 17:17
-
+from django.apps.registry import Apps
 from django.db import migrations, models
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
 from django.utils.text import slugify
 
 
-def forwards(apps, schema_editor):
+def forwards(apps: Apps, schema_editor: BaseDatabaseSchemaEditor) -> None:
     Tag = apps.get_model("articles", "Tag")
     db_alias = schema_editor.connection.alias
     tags = Tag.objects.using(db_alias).all()
@@ -13,7 +14,7 @@ def forwards(apps, schema_editor):
     Tag.objects.bulk_update(tags, ["slug"])
 
 
-def backwards(apps, schema_editor):
+def backwards(apps: Apps, schema_editor: BaseDatabaseSchemaEditor) -> None:
     Tag = apps.get_model("articles", "Tag")
     db_alias = schema_editor.connection.alias
     Tag.objects.using(db_alias).update(slug="")
diff --git a/src/articles/models.py b/src/articles/models.py
index 2da61c4..015eb51 100644
--- a/src/articles/models.py
+++ b/src/articles/models.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 import random
 import uuid
 from functools import cached_property
-from typing import Sequence
+from typing import Any, Sequence
 
 import rcssmin
 import readtime
@@ -115,7 +115,7 @@ class Article(models.Model):
         self.save()
         return self
 
-    def save(self, *args, **kwargs) -> None:
+    def save(self, *args: Any, **kwargs: Any) -> None:
         if not self.slug:
             self.slug = slugify(self.title)
         return super().save(*args, **kwargs)
diff --git a/src/articles/tests/conftest.py b/src/articles/tests/conftest.py
index 7c0b1ef..2139085 100644
--- a/src/articles/tests/conftest.py
+++ b/src/articles/tests/conftest.py
@@ -55,5 +55,5 @@ def unpublished_article(author: User) -> Article:
 
 
 @pytest.fixture(autouse=True, scope="session")
-def _collect_static():
+def _collect_static() -> None:
     call_command("collectstatic", "--no-input", "--clear")
diff --git a/src/articles/tests/test_admin.py b/src/articles/tests/test_admin.py
index af4ab79..8316159 100644
--- a/src/articles/tests/test_admin.py
+++ b/src/articles/tests/test_admin.py
@@ -8,7 +8,7 @@ from articles.models import User
 @pytest.mark.django_db()
 # @pytest.mark.skip("Fails for no apparent reason")
 @pytest.mark.flaky(reruns=5, reruns_delay=3)
-def test_can_access_add_article(client: Client, author: User):
+def test_can_access_add_article(client: Client, author: User) -> None:
     client.force_login(author)
     url = reverse("admin:articles_article_add")
     res = client.get(url)
diff --git a/src/articles/tests/test_api_views.py b/src/articles/tests/test_api_views.py
index 9d05bc0..e5b92c4 100644
--- a/src/articles/tests/test_api_views.py
+++ b/src/articles/tests/test_api_views.py
@@ -1,4 +1,5 @@
 import pytest
+from django.http import HttpResponse
 from django.test import Client
 from django.urls import reverse
 
@@ -7,7 +8,9 @@ from articles.utils import format_article_content
 
 
 @pytest.mark.django_db()
-def test_unauthenticated_render_redirects(published_article: Article, client: Client):
+def test_unauthenticated_render_redirects(
+    published_article: Article, client: Client
+) -> None:
     api_res = client.post(
         reverse("api-render-article", kwargs={"article_pk": published_article.pk}),
         data={"content": published_article.content},
@@ -16,7 +19,9 @@ def test_unauthenticated_render_redirects(published_article: Article, client: Cl
 
 
 @pytest.mark.django_db()
-def test_render_article_same_content(published_article: Article, client: Client):
+def test_render_article_same_content(
+    published_article: Article, client: Client
+) -> None:
     client.force_login(published_article.author)
     api_res = post_article(client, published_article, published_article.content)
     standard_res = client.get(
@@ -36,7 +41,9 @@ def test_render_article_same_content(published_article: Article, client: Client)
 
 
 @pytest.mark.django_db()
-def test_render_article_change_content(published_article: Article, client: Client):
+def test_render_article_change_content(
+    published_article: Article, client: Client
+) -> None:
     client.force_login(published_article.author)
     preview_content = "This is a different content **with strong emphasis**"
     api_res = post_article(client, published_article, preview_content)
@@ -47,7 +54,7 @@ def test_render_article_change_content(published_article: Article, client: Clien
 
 
 @pytest.mark.django_db()
-def test_render_article_doesnt_save(published_article, client: Client):
+def test_render_article_doesnt_save(published_article: Article, client: Client) -> None:
     client.force_login(published_article.author)
     original_content = published_article.content
     preview_content = "This is a different content **with strong emphasis**"
@@ -58,7 +65,7 @@ def test_render_article_doesnt_save(published_article, client: Client):
 
 
 @pytest.mark.django_db()
-def test_render_article_no_tags(published_article, client: Client):
+def test_render_article_no_tags(published_article: Article, client: Client) -> None:
     client.force_login(published_article.author)
     api_res = client.post(
         reverse("api-render-article", kwargs={"article_pk": published_article.pk}),
@@ -67,7 +74,7 @@ def test_render_article_no_tags(published_article, client: Client):
     assert api_res.status_code == 200
 
 
-def post_article(client: Client, article: Article, content: str):
+def post_article(client: Client, article: Article, content: str) -> HttpResponse:
     return client.post(
         reverse("api-render-article", kwargs={"article_pk": article.pk}),
         data={
diff --git a/src/articles/tests/test_feed_views.py b/src/articles/tests/test_feed_views.py
index 1bb90b6..a42a782 100644
--- a/src/articles/tests/test_feed_views.py
+++ b/src/articles/tests/test_feed_views.py
@@ -8,7 +8,7 @@ from articles.views.feeds import CompleteFeed
 
 
 @pytest.mark.django_db()
-def test_can_access_feed(client: Client, published_article):
+def test_can_access_feed(client: Client, published_article: Article) -> None:
     res = client.get(reverse("complete-feed"))
     assert res.status_code == 200
     assert "application/rss+xml" in res["content-type"]
@@ -17,7 +17,7 @@ def test_can_access_feed(client: Client, published_article):
 
 
 @pytest.mark.django_db()
-def test_feed_limits_number_of_articles(client: Client, author: User):
+def test_feed_limits_number_of_articles(client: Client, author: User) -> None:
     baker.make(Article, 100, status=Article.PUBLISHED, author=author)
     res = client.get(reverse("complete-feed"))
     content = res.content.decode("utf-8")
diff --git a/src/articles/tests/test_html_views.py b/src/articles/tests/test_html_views.py
index 3e424ff..1ece30f 100644
--- a/src/articles/tests/test_html_views.py
+++ b/src/articles/tests/test_html_views.py
@@ -1,13 +1,15 @@
 import pytest
+from django.http import HttpResponse
 from django.test import Client
 from django.urls import reverse
 from model_bakery import baker
+from pytest_django.fixtures import SettingsWrapper
 
 from articles.models import Article, User
 
 
 @pytest.mark.django_db()
-def test_can_access_list(client: Client, published_article: Article):
+def test_can_access_list(client: Client, published_article: Article) -> None:
     res = client.get(reverse("articles-list"))
     assert res.status_code == 200
     content = res.content.decode("utf-8")
@@ -16,7 +18,7 @@ def test_can_access_list(client: Client, published_article: Article):
 
 
 @pytest.mark.django_db()
-def test_only_title_shown_on_list(client: Client, author: User):
+def test_only_title_shown_on_list(client: Client, author: User) -> None:
     title = "This is a very long title mouahahaha"
     abstract = "Some abstract"
     after = "Some content after abstract"
@@ -35,16 +37,16 @@ def test_only_title_shown_on_list(client: Client, author: User):
 
 
 @pytest.mark.django_db()
-def test_access_article_by_slug(client: Client, published_article: Article):
+def test_access_article_by_slug(client: Client, published_article: Article) -> None:
     _test_access_article_by_slug(client, published_article)
 
 
-def _test_access_article_by_slug(client: Client, item: Article):
+def _test_access_article_by_slug(client: Client, item: Article) -> None:
     res = client.get(reverse("article-detail", kwargs={"slug": item.slug}))
     _assert_article_is_rendered(item, res)
 
 
-def _assert_article_is_rendered(item: Article, res):
+def _assert_article_is_rendered(item: Article, res: HttpResponse) -> None:
     assert res.status_code == 200
     content = res.content.decode("utf-8")
     assert item.title in content
@@ -55,7 +57,7 @@ def _assert_article_is_rendered(item: Article, res):
 @pytest.mark.django_db()
 def test_anonymous_cant_access_draft_detail(
     client: Client, unpublished_article: Article
-):
+) -> None:
     res = client.get(
         reverse("article-detail", kwargs={"slug": unpublished_article.slug})
     )
@@ -65,7 +67,7 @@ def test_anonymous_cant_access_draft_detail(
 @pytest.mark.django_db()
 def test_anonymous_can_access_draft_detail_with_key(
     client: Client, unpublished_article: Article
-):
+) -> None:
     res = client.get(
         reverse("article-detail", kwargs={"slug": unpublished_article.slug})
         + f"?draft_key={unpublished_article.draft_key}"
@@ -76,7 +78,7 @@ def test_anonymous_can_access_draft_detail_with_key(
 @pytest.mark.django_db()
 def test_user_can_access_draft_detail(
     client: Client, author: User, unpublished_article: Article
-):
+) -> None:
     client.force_login(author)
     _test_access_article_by_slug(client, unpublished_article)
 
@@ -84,7 +86,7 @@ def test_user_can_access_draft_detail(
 @pytest.mark.django_db()
 def test_anonymous_cant_access_drafts_list(
     client: Client, unpublished_article: Article
-):
+) -> None:
     res = client.get(reverse("drafts-list"))
     assert res.status_code == 302
 
@@ -92,7 +94,7 @@ def test_anonymous_cant_access_drafts_list(
 @pytest.mark.django_db()
 def test_user_can_access_drafts_list(
     client: Client, author: User, unpublished_article: Article
-):
+) -> None:
     client.force_login(author)
     res = client.get(reverse("drafts-list"))
     assert res.status_code == 200
@@ -101,7 +103,7 @@ def test_user_can_access_drafts_list(
 
 
 @pytest.mark.django_db()
-def test_has_goatcounter_if_set(client: Client, settings):
+def test_has_goatcounter_if_set(client: Client, settings: SettingsWrapper) -> None:
     settings.GOATCOUNTER_DOMAIN = "gc.gabnotes.org"
     res = client.get(reverse("articles-list"))
     content = res.content.decode("utf-8")
@@ -110,7 +112,9 @@ def test_has_goatcounter_if_set(client: Client, settings):
 
 
 @pytest.mark.django_db()
-def test_doesnt_have_goatcounter_if_unset(client: Client, settings):
+def test_doesnt_have_goatcounter_if_unset(
+    client: Client, settings: SettingsWrapper
+) -> None:
     settings.GOATCOUNTER_DOMAIN = None
     res = client.get(reverse("articles-list"))
     content = res.content.decode("utf-8")
@@ -119,7 +123,9 @@ def test_doesnt_have_goatcounter_if_unset(client: Client, settings):
 
 
 @pytest.mark.django_db()
-def test_logged_in_user_doesnt_have_goatcounter(client: Client, author: User, settings):
+def test_logged_in_user_doesnt_have_goatcounter(
+    client: Client, author: User, settings: SettingsWrapper
+) -> None:
     client.force_login(author)
     settings.GOATCOUNTER_DOMAIN = "gc.gabnotes.org"
     res = client.get(reverse("articles-list"))
@@ -129,7 +135,7 @@ def test_logged_in_user_doesnt_have_goatcounter(client: Client, author: User, se
 
 
 @pytest.mark.django_db()
-def test_image_is_lazy(client: Client, published_article: Article):
+def test_image_is_lazy(client: Client, published_article: Article) -> None:
     res = client.get(reverse("article-detail", kwargs={"slug": published_article.slug}))
     assert res.status_code == 200
     content = res.content.decode("utf-8")
diff --git a/src/articles/tests/test_migrations.py b/src/articles/tests/test_migrations.py
index 0b79cd1..cc646c8 100644
--- a/src/articles/tests/test_migrations.py
+++ b/src/articles/tests/test_migrations.py
@@ -3,5 +3,5 @@ from django.core.management import call_command
 
 
 @pytest.mark.django_db()
-def test_missing_migrations():
+def test_missing_migrations() -> None:
     call_command("makemigrations", "--check")
diff --git a/src/articles/tests/test_models.py b/src/articles/tests/test_models.py
index 2a0f31b..0b8ef68 100644
--- a/src/articles/tests/test_models.py
+++ b/src/articles/tests/test_models.py
@@ -4,7 +4,7 @@ from articles.models import Article, User
 
 
 @pytest.mark.django_db()
-def test_publish_article(unpublished_article: Article):
+def test_publish_article(unpublished_article: Article) -> None:
     assert unpublished_article.status == Article.DRAFT
     assert unpublished_article.published_at is None
     published_article = unpublished_article.publish()
@@ -13,7 +13,7 @@ def test_publish_article(unpublished_article: Article):
 
 
 @pytest.mark.django_db()
-def test_unpublish_article(published_article: Article):
+def test_unpublish_article(published_article: Article) -> None:
     assert published_article.status == Article.PUBLISHED
     assert published_article.published_at is not None
     unpublished_article = published_article.unpublish()
@@ -22,7 +22,7 @@ def test_unpublish_article(published_article: Article):
 
 
 @pytest.mark.django_db()
-def test_save_article_adds_missing_slug(author: User):
+def test_save_article_adds_missing_slug(author: User) -> None:
     # Explicitly calling bulk_create with one article because it doesn't call save().
     articles = Article.objects.bulk_create(
         [Article(author=author, title="noice title", slug="", status=Article.DRAFT)]
@@ -34,7 +34,7 @@ def test_save_article_adds_missing_slug(author: User):
 
 
 @pytest.mark.django_db()
-def test_save_article_doesnt_change_existing_slug(published_article: Article):
+def test_save_article_doesnt_change_existing_slug(published_article: Article) -> None:
     original_slug = published_article.slug
     published_article.title = "This is a brand new title"
     published_article.save()
@@ -42,19 +42,19 @@ def test_save_article_doesnt_change_existing_slug(published_article: Article):
 
 
 @pytest.mark.django_db()
-def test_empty_custom_css_minified(published_article):
+def test_empty_custom_css_minified(published_article: Article) -> None:
     published_article.custom_css = ""
     assert published_article.get_minified_custom_css == ""
 
 
 @pytest.mark.django_db()
-def test_simple_custom_css_minified(published_article):
+def test_simple_custom_css_minified(published_article: Article) -> None:
     published_article.custom_css = ".cls {\n    background-color:  red;\n}"
     assert published_article.get_minified_custom_css == ".cls{background-color:red}"
 
 
 @pytest.mark.django_db()
-def test_larger_custom_css_minified(published_article):
+def test_larger_custom_css_minified(published_article: Article) -> None:
     published_article.custom_css = """\
 .profile {
     display: flex;
diff --git a/src/articles/utils.py b/src/articles/utils.py
index e45c7ac..033e9bf 100644
--- a/src/articles/utils.py
+++ b/src/articles/utils.py
@@ -3,13 +3,14 @@ import re
 import markdown
 from bs4 import BeautifulSoup
 from django.conf import settings
+from django.http import HttpRequest
 from markdown.extensions.codehilite import CodeHiliteExtension
 from markdown.extensions.toc import TocExtension
 
 from articles.markdown import LazyLoadingImageExtension
 
 
-def build_full_absolute_url(request, url: str) -> str:
+def build_full_absolute_url(request: HttpRequest | None, url: str) -> str:
     if request:
         return request.build_absolute_uri(url)
     else:
diff --git a/src/articles/views/api.py b/src/articles/views/api.py
index 5ac6660..a6d41c8 100644
--- a/src/articles/views/api.py
+++ b/src/articles/views/api.py
@@ -1,7 +1,7 @@
 from typing import Any
 
 from django.contrib.auth.decorators import login_required
-from django.http import HttpResponse
+from django.http import HttpRequest, HttpResponse
 from django.shortcuts import render
 from django.views.decorators.http import require_POST
 
@@ -10,7 +10,7 @@ from articles.models import Article, Tag
 
 @login_required
 @require_POST
-def render_article(request, article_pk: int) -> HttpResponse:
+def render_article(request: HttpRequest, article_pk: int) -> HttpResponse:
     template = "articles/article_detail.html"
     article = Article.objects.get(pk=article_pk)
     article.content = request.POST.get("content", article.content)
diff --git a/src/articles/views/feeds.py b/src/articles/views/feeds.py
index 3f74801..eaa507a 100644
--- a/src/articles/views/feeds.py
+++ b/src/articles/views/feeds.py
@@ -1,8 +1,9 @@
 from datetime import datetime
-from typing import Iterable
+from typing import Any, Iterable
 
 from django.contrib.syndication.views import Feed
 from django.db.models import QuerySet
+from django.http import HttpRequest
 
 from articles.models import Article, Tag
 from blog import settings
@@ -33,7 +34,7 @@ class CompleteFeed(BaseFeed):
 
 
 class TagFeed(BaseFeed):
-    def get_object(self, request, *args, **kwargs) -> Tag:
+    def get_object(self, request: HttpRequest, *args: Any, **kwargs: Any) -> Tag:
         return Tag.objects.get(slug=kwargs.get("slug"))
 
     def title(self, tag: Tag) -> str:
diff --git a/src/articles/views/html.py b/src/articles/views/html.py
index fa2859a..1ad75e1 100644
--- a/src/articles/views/html.py
+++ b/src/articles/views/html.py
@@ -5,7 +5,9 @@ from typing import Any
 from django.conf import settings
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.core.paginator import Page
-from django.db.models import F, Q
+from django.db.models import F, Q, QuerySet
+from django.http import HttpRequest
+from django.http.response import HttpResponseBase
 from django.shortcuts import get_object_or_404
 from django.views import generic
 from django.views.generic import DetailView
@@ -20,7 +22,7 @@ class BaseArticleListView(generic.ListView):
     main_title = "Blog posts"
     html_title = ""
 
-    def get_context_data(self, **kwargs):
+    def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
         context = super().get_context_data(**kwargs)
         context["blog_title"] = settings.BLOG["title"]
         context["blog_description"] = settings.BLOG["description"]
@@ -51,7 +53,7 @@ class PublicArticleListView(BaseArticleListView):
 
 
 class ArticlesListView(PublicArticleListView):
-    def get_context_data(self, **kwargs):
+    def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
         context = super().get_context_data(**kwargs)
         home_article = Article.objects.filter(
             status=Article.PUBLISHED, is_home=True
@@ -64,12 +66,12 @@ class SearchArticlesListView(PublicArticleListView):
     template_name = "articles/article_search.html"
     html_title = "Search"
 
-    def get_context_data(self, **kwargs):
+    def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
         context = super().get_context_data(**kwargs)
         context["search_expression"] = self.request.GET.get("s") or ""
         return context
 
-    def get_queryset(self):
+    def get_queryset(self) -> QuerySet:
         queryset = super().get_queryset()
         search_expression = self.request.GET.get("s")
         if not search_expression:
@@ -98,25 +100,27 @@ class TagArticlesListView(PublicArticleListView):
     main_title = ""
     html_title = ""
 
-    def dispatch(self, request, *args, **kwargs):
+    def dispatch(
+        self, request: HttpRequest, *args: Any, **kwargs: Any
+    ) -> HttpResponseBase:
         self.tag = get_object_or_404(Tag, slug=self.kwargs.get("slug"))
         self.main_title = self.html_title = f"{self.tag.name} articles"
         return super().dispatch(request, *args, **kwargs)
 
-    def get_context_data(self, **kwargs):
+    def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
         context = super().get_context_data(**kwargs)
         context["feed_title"] = self.tag.get_feed_title()
         context["feed_url"] = self.tag.get_feed_url()
         return context
 
-    def get_queryset(self):
+    def get_queryset(self) -> QuerySet:
         return super().get_queryset().filter(tags=self.tag)
 
 
 class DraftsListView(LoginRequiredMixin, BaseArticleListView):
     queryset = Article.objects.filter(status=Article.DRAFT)
 
-    def get_context_data(self, **kwargs):
+    def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
         context = super().get_context_data(**kwargs)
         context["title"] = "Drafts"
         context["title_header"] = context["title"]
@@ -128,7 +132,7 @@ class ArticleDetailView(DetailView):
     context_object_name = "article"
     template_name = "articles/article_detail.html"
 
-    def get_queryset(self):
+    def get_queryset(self) -> QuerySet:
         key = self.request.GET.get("draft_key")
         if key:
             return Article.objects.filter(draft_key=key).prefetch_related("tags")
@@ -138,7 +142,7 @@ class ArticleDetailView(DetailView):
             queryset = queryset.filter(status=Article.PUBLISHED)
         return queryset
 
-    def get_object(self, queryset=None) -> Article:
+    def get_object(self, queryset: QuerySet | None = None) -> Article:
         obj: Article = super().get_object(queryset)
         if not self.request.user.is_authenticated:
             obj.views_count = F("views_count") + 1
@@ -146,6 +150,6 @@ class ArticleDetailView(DetailView):
 
         return obj
 
-    def get_context_data(self, **kwargs):
+    def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
         kwargs["tags"] = self.object.tags.all()
         return super().get_context_data(**kwargs)
diff --git a/src/attachments/admin.py b/src/attachments/admin.py
index 8fb53e6..0eb3ccb 100644
--- a/src/attachments/admin.py
+++ b/src/attachments/admin.py
@@ -1,5 +1,7 @@
 from django.contrib import admin, messages
 from django.contrib.admin import register
+from django.db.models import QuerySet
+from django.http import HttpRequest
 from django.utils.html import format_html
 
 from attachments.models import Attachment
@@ -38,7 +40,7 @@ class AttachmentAdmin(admin.ModelAdmin):
     class Media:
         js = ["attachments/js/copy_url.js"]
 
-    def processed_file_url(self, instance):
+    def processed_file_url(self, instance: Attachment) -> str:
         if instance.processed_file:
             return format_html(
                 '{0} <a class="copy-button" data-to-copy="{1}" href="#">&#128203;</a>',
@@ -47,7 +49,7 @@ class AttachmentAdmin(admin.ModelAdmin):
             )
         return ""
 
-    def original_file_url(self, instance):
+    def original_file_url(self, instance: Attachment) -> str:
         if instance.original_file:
             return format_html(
                 '{0} <a class="copy-button" data-to-copy="{1}" href="#">&#128203;</a>',
@@ -57,7 +59,7 @@ class AttachmentAdmin(admin.ModelAdmin):
         return ""
 
     @admin.action(description="Set as open graph image")
-    def set_as_open_graph_image(self, request, queryset):
+    def set_as_open_graph_image(self, request: HttpRequest, queryset: QuerySet) -> None:
         if len(queryset) != 1:
             messages.error(request, "You must select only one attachment")
             return
@@ -66,7 +68,9 @@ class AttachmentAdmin(admin.ModelAdmin):
         messages.success(request, "Done")
 
     @admin.action(description="Reprocess selected attachments")
-    def reprocess_selected_attachments(self, request, queryset):
+    def reprocess_selected_attachments(
+        self, request: HttpRequest, queryset: QuerySet
+    ) -> None:
         if len(queryset) == 0:
             messages.error(request, "You must select at least one attachment")
             return
diff --git a/src/attachments/management/commands/reprocess_all_attachments.py b/src/attachments/management/commands/reprocess_all_attachments.py
index 9414638..73d4aff 100644
--- a/src/attachments/management/commands/reprocess_all_attachments.py
+++ b/src/attachments/management/commands/reprocess_all_attachments.py
@@ -1,3 +1,5 @@
+from typing import Any
+
 from django.core.management.base import BaseCommand
 
 from attachments.models import Attachment
@@ -6,7 +8,7 @@ from attachments.models import Attachment
 class Command(BaseCommand):
     help = "Reprocess all attachments"
 
-    def handle(self, *args, **options):
+    def handle(self, *args: Any, **options: Any) -> None:
         for attachment in Attachment.objects.all():
             self.stdout.write(f"Processing {attachment}...")
             attachment.reprocess()
diff --git a/src/attachments/models.py b/src/attachments/models.py
index 8936300..8eabca9 100644
--- a/src/attachments/models.py
+++ b/src/attachments/models.py
@@ -1,19 +1,23 @@
+from __future__ import annotations
+
 import json
 import tempfile
 from pathlib import Path
+from typing import Any
 
 import requests
 from django.conf import settings
 from django.core.files import File
 from django.db import models
 from django.db.models.fields.files import FieldFile
+from django.http import HttpRequest
 from PIL import Image
 
 from articles.utils import build_full_absolute_url
 
 
 class AbsoluteUrlFieldFile(FieldFile):
-    def get_full_absolute_url(self, request):
+    def get_full_absolute_url(self, request: HttpRequest) -> str:
         return build_full_absolute_url(request, self.url)
 
 
@@ -22,7 +26,7 @@ class AbsoluteUrlFileField(models.FileField):
 
 
 class AttachmentManager(models.Manager):
-    def get_open_graph_image(self):
+    def get_open_graph_image(self) -> Attachment | None:
         return self.filter(open_graph_image=True).first()
 
 
@@ -37,14 +41,14 @@ class Attachment(models.Model):
     class Meta:
         ordering = ["description"]
 
-    def __str__(self):
+    def __str__(self) -> str:
         return f"{self.description} ({self.original_file.name})"
 
-    def reprocess(self):
+    def reprocess(self) -> None:
         self.processed_file = None
         self.save()
 
-    def save(self, *args, **kwargs):
+    def save(self, *args: Any, **kwargs: Any) -> None:
         super().save(*args, **kwargs)
 
         if self.processed_file:
diff --git a/src/attachments/tests/conftest.py b/src/attachments/tests/conftest.py
index f532ffb..903295b 100644
--- a/src/attachments/tests/conftest.py
+++ b/src/attachments/tests/conftest.py
@@ -1,13 +1,19 @@
+from typing import Any, Protocol
+
 import pytest
 
 
-def replace_post_body(request):
+class Request(Protocol):
+    body: Any
+
+
+def replace_post_body(request: Request) -> Request:
     request.body = None
     return request
 
 
 @pytest.fixture(scope="module")
-def vcr_config():
+def vcr_config() -> dict[str, Any]:
     return {
         "before_record_request": replace_post_body,
     }
diff --git a/src/attachments/tests/test_models.py b/src/attachments/tests/test_models.py
index 4024081..c4fb608 100644
--- a/src/attachments/tests/test_models.py
+++ b/src/attachments/tests/test_models.py
@@ -9,7 +9,7 @@ from attachments.models import Attachment
 @pytest.mark.block_network()
 @pytest.mark.vcr()
 @pytest.mark.django_db()
-def test_attachment_is_processed_by_shortpixel():
+def test_attachment_is_processed_by_shortpixel() -> None:
     # This path manipulation is required to make the test run from this directory
     # or from upper in the hierarchy (e.g.: settings.BASE_DIR)
     img_path = Path(__file__).parent / "resources" / "image.png"
diff --git a/src/blog/tests/test_robots.py b/src/blog/tests/test_robots.py
index 36bfbf3..2884cd2 100644
--- a/src/blog/tests/test_robots.py
+++ b/src/blog/tests/test_robots.py
@@ -1,4 +1,7 @@
-def test_robots_txt(client):
+from django.test.client import Client
+
+
+def test_robots_txt(client: Client) -> None:
     res = client.get("/robots.txt")
     assert res.status_code == 200
     assert res["Content-Type"] == "text/plain"
diff --git a/src/manage.py b/src/manage.py
index ba0201f..b532cc3 100755
--- a/src/manage.py
+++ b/src/manage.py
@@ -4,7 +4,7 @@ import os
 import sys
 
 
-def main():
+def main() -> None:
     """Run administrative tasks."""  # noqa: DAR401
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "blog.settings")
     try:
diff --git a/stubs/readtime/result.pyi b/stubs/readtime/result.pyi
index 5cc85af..fc91b98 100644
--- a/stubs/readtime/result.pyi
+++ b/stubs/readtime/result.pyi
@@ -4,7 +4,7 @@ class Result:
     delta: timedelta | None
     wpm: int | None
     def __init__(self, seconds: int | None = ..., wpm: int | None = ...) -> None: ...
-    def __unicode__(self): ...
+    def __unicode__(self) -> str: ...
     @property
     def seconds(self) -> int: ...
     @property
diff --git a/tasks.py b/tasks.py
index b6514dc..21c9148 100644
--- a/tasks.py
+++ b/tasks.py
@@ -1,21 +1,31 @@
+"""
+Invoke management tasks for the project.
+
+The current implementation with type annotations is not compatible
+with invoke 1.6.0 and requires manual patching.
+
+See https://github.com/pyinvoke/invoke/pull/458/files
+"""
+
+
 import time
 from pathlib import Path
 
 import requests
-from invoke import task
+from invoke import Context, task
 
 BASE_DIR = Path(__file__).parent.resolve(strict=True)
 SRC_DIR = BASE_DIR / "src"
 
 
 @task
-def test(ctx):
+def test(ctx: Context) -> None:
     with ctx.cd(SRC_DIR):
         ctx.run("pytest", pty=True, echo=True)
 
 
 @task
-def test_cov(ctx):
+def test_cov(ctx: Context) -> None:
     with ctx.cd(SRC_DIR):
         ctx.run(
             "pytest --cov=. --cov-report term-missing:skip-covered",
@@ -25,41 +35,41 @@ def test_cov(ctx):
 
 
 @task
-def pre_commit(ctx):
+def pre_commit(ctx: Context) -> None:
     with ctx.cd(BASE_DIR):
         ctx.run("pre-commit run --all-files", pty=True)
 
 
 @task
-def mypy(ctx):
+def mypy(ctx: Context) -> None:
     with ctx.cd(BASE_DIR):
         ctx.run("pre-commit run --all-files mypy", pty=True)
 
 
 @task(pre=[pre_commit, test_cov])
-def check(ctx):
+def check(ctx: Context) -> None:
     pass
 
 
 @task
-def build(ctx):
+def build(ctx: Context) -> None:
     with ctx.cd(BASE_DIR):
         ctx.run("docker-compose build django", pty=True, echo=True)
 
 
 @task
-def publish(ctx):
+def publish(ctx: Context) -> None:
     with ctx.cd(BASE_DIR):
         ctx.run("docker-compose push django", pty=True, echo=True)
 
 
 @task
-def deploy(ctx):
+def deploy(ctx: Context) -> None:
     ctx.run("ssh ubuntu /home/gaugendre/blog/update", pty=True, echo=True)
 
 
 @task
-def check_alive(ctx):
+def check_alive(ctx: Context) -> None:
     for _ in range(5):
         try:
             res = requests.get("https://gabnotes.org")
@@ -70,12 +80,12 @@ def check_alive(ctx):
 
 
 @task(pre=[check, build, publish, deploy], post=[check_alive])
-def beam(ctx):
+def beam(ctx: Context) -> None:
     pass
 
 
 @task
-def download_db(ctx):
+def download_db(ctx: Context) -> None:
     with ctx.cd(BASE_DIR):
         ctx.run("scp ubuntu:/home/gaugendre/blog/db/db.sqlite3 ./db/db.sqlite3")
         ctx.run("rm -rf src/media/")