diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 60ca0d1..69b3773 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -87,6 +87,6 @@ repos:
         args: [-q, --allow-unsafe, --resolver=backtracking, --strip-extras, --output-file=constraints.txt, requirements.in]
         files: ^requirements\.in|constraints\.txt$
       - id: pip-compile
-        name: pip-compile requirements-dev.in
+        name: pip-compile requirements-dev.txt
         args: [-q, --allow-unsafe, --resolver=backtracking, --generate-hashes, requirements-dev.in]
         files: ^requirements-dev\.(in|txt)$
diff --git a/requirements-dev.in b/requirements-dev.in
index 34d1e72..a8fe4d1 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -9,9 +9,8 @@ pre-commit>=2.1
 model-bakery>=1.3.1
 freezegun>=1.1.0
 bpython>=0.22.1
-invoke>=1.7.3
+invoke>=2.0.0
 hypothesis>=6.56.4
 django-browser-reload>=1.6.0
 black>=22.12.0
 pip-tools>=6.0
-patchy>=2.0
diff --git a/requirements-dev.txt b/requirements-dev.txt
index eb9105e..cec6b58 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -400,10 +400,6 @@ packaging==23.0 \
     # via
     #   build
     #   pytest
-patchy==2.6.1 \
-    --hash=sha256:1bbbd907b2cd7df7c55210a210172f3d1a5e943c7727f66446d298c9024b6518 \
-    --hash=sha256:c71e99242c9d2467143d5b8200459e5a2e848608c7cfb7a35121f1744979de8a
-    # via -r requirements-dev.in
 pathspec==0.10.3 \
     --hash=sha256:3c95343af8b756205e2aba76e843ba9520a24dd84f68c22b9f93251507509dd6 \
     --hash=sha256:56200de4077d9d0791465aa9095a01d421861e405b5096955051deefd697d6f6
diff --git a/tasks.py b/tasks.py
index c3f4e7b..14c0264 100644
--- a/tasks.py
+++ b/tasks.py
@@ -1,23 +1,6 @@
-import time
 from pathlib import Path
 
-import patchy
-import requests
-from invoke import task
-
-patchy.patch(
-    "invoke.tasks.Task.argspec",
-    """\
-@@ -16,7 +16,7 @@
-     # TODO: __call__ exhibits the 'self' arg; do we manually nix 1st result
-     # in argspec, or is there a way to get the "really callable" spec?
-     func = body if isinstance(body, types.FunctionType) else body.__call__
--    spec = inspect.getargspec(func)
-+    spec = inspect.getfullargspec(func)
-     arg_names = spec.args[:]
-     matched_args = [reversed(x) for x in [spec.args, spec.defaults or []]]
-     spec_dict = dict(zip_longest(*matched_args, fillvalue=NO_DEFAULT))""",
-)
+from invoke import Context, task
 
 BASE_DIR = Path(__file__).parent.resolve(strict=True)
 SRC_DIR = BASE_DIR / "src"
@@ -27,8 +10,10 @@ TEST_ENV = {"ENV_FILE": BASE_DIR / "envs" / "test-envs.env"}
 
 
 @task
-def update_dependencies(ctx):
-    common_args = "-q --allow-unsafe --resolver=backtracking --upgrade"
+def sync_dependencies(ctx: Context, update: bool = False):
+    common_args = "-q --allow-unsafe --resolver=backtracking"
+    if update:
+        common_args += " --upgrade"
     with ctx.cd(BASE_DIR):
         ctx.run(
             f"pip-compile {common_args} --generate-hashes requirements.in",
@@ -49,25 +34,25 @@ def update_dependencies(ctx):
 
 
 @task
-def makemessages(ctx):
+def makemessages(ctx: Context):
     with ctx.cd(SRC_DIR):
         ctx.run("./manage.py makemessages -l en -l fr", pty=True, echo=True)
 
 
 @task
-def compilemessages(ctx):
+def compilemessages(ctx: Context):
     with ctx.cd(SRC_DIR):
         ctx.run("./manage.py compilemessages -l en -l fr", pty=True, echo=True)
 
 
 @task
-def test(ctx):
+def test(ctx: Context):
     with ctx.cd(SRC_DIR):
         ctx.run("pytest", pty=True, echo=True, env=TEST_ENV)
 
 
 @task
-def test_cov(ctx):
+def test_cov(ctx: Context):
     with ctx.cd(SRC_DIR):
         ctx.run(
             "pytest --cov=. --cov-branch --cov-report term-missing:skip-covered",
@@ -78,59 +63,7 @@ def test_cov(ctx):
 
 
 @task
-def pre_commit(ctx):
-    with ctx.cd(BASE_DIR):
-        ctx.run("pre-commit run --all-files", pty=True, echo=True)
-
-
-@task(pre=[pre_commit, test_cov])
-def check(ctx):
-    pass
-
-
-@task
-def build(ctx):
-    with ctx.cd(BASE_DIR):
-        ctx.run(
-            "docker-compose build django", pty=True, echo=True, env=COMPOSE_BUILD_ENV
-        )
-
-
-@task
-def publish(ctx):
-    with ctx.cd(BASE_DIR):
-        ctx.run(
-            "docker-compose push django", pty=True, echo=True, env=COMPOSE_BUILD_ENV
-        )
-
-
-@task
-def deploy(ctx):
-    ctx.run("ssh ubuntu /mnt/data/checkout/update", pty=True, echo=True)
-
-
-@task
-def check_alive(ctx):
-    exception = None
-    for _ in range(5):
-        try:
-            res = requests.get("https://charasheet.augendre.info")
-            res.raise_for_status()
-            print("Server is up & running")
-            return
-        except requests.exceptions.HTTPError as e:
-            time.sleep(2)
-            exception = e
-    raise RuntimeError("Failed to reach the server") from exception
-
-
-@task(pre=[check, build, publish, deploy], post=[check_alive])
-def beam(ctx):
-    pass
-
-
-@task
-def download_db(ctx):
+def download_db(ctx: Context):
     with ctx.cd(BASE_DIR):
         ctx.run(
             "scp ubuntu:/mnt/data/charasheet/db/db.sqlite3 ./db/db.sqlite3",
@@ -146,7 +79,7 @@ def download_db(ctx):
 
 
 @task
-def dump_initial(ctx):
+def dump_initial(ctx: Context):
     with ctx.cd(SRC_DIR):
         path = "./character/fixtures/initial_data.json"
         ctx.run(
@@ -158,7 +91,7 @@ def dump_initial(ctx):
 
 
 @task
-def import_from_co_drs(ctx):
+def import_from_co_drs(ctx: Context):
     with ctx.cd(SRC_DIR):
         ctx.run("./manage.py import_races", pty=True, echo=True)
         ctx.run("./manage.py import_profiles", pty=True, echo=True)
@@ -169,5 +102,5 @@ def import_from_co_drs(ctx):
 
 
 @task(pre=[import_from_co_drs, dump_initial])
-def update_fixtures(ctx):
+def update_fixtures(ctx: Context):
     pass