diff --git a/poetry.lock b/poetry.lock
index 0d0ac5e..975c131 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -65,6 +65,14 @@ docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
 perf = ["ipython"]
 testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-perf (>=0.9.2)", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
 
+[[package]]
+name = "invoke"
+version = "1.6.0"
+description = "Pythonic task execution"
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "nodeenv"
 version = "1.6.0"
@@ -169,7 +177,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "4b25cd3ee085a876b4d47af4b3e3c69133b32a002e1953ca3b64188eaac0a042"
+content-hash = "c50b8d6faabcfe4f4d1bd7a7d1661a1204db028ed75cabacf871b0df7f2e08a8"
 
 [metadata.files]
 "backports.entry-points-selectable" = [
@@ -196,6 +204,11 @@ importlib-metadata = [
     {file = "importlib_metadata-4.6.3-py3-none-any.whl", hash = "sha256:51c6635429c77cf1ae634c997ff9e53ca3438b495f10a55ba28594dd69764a8b"},
     {file = "importlib_metadata-4.6.3.tar.gz", hash = "sha256:0645585859e9a6689c523927a5032f2ba5919f1f7d0e84bd4533312320de1ff9"},
 ]
+invoke = [
+    {file = "invoke-1.6.0-py2-none-any.whl", hash = "sha256:e6c9917a1e3e73e7ea91fdf82d5f151ccfe85bf30cc65cdb892444c02dbb5f74"},
+    {file = "invoke-1.6.0-py3-none-any.whl", hash = "sha256:769e90caeb1bd07d484821732f931f1ad8916a38e3f3e618644687fc09cb6317"},
+    {file = "invoke-1.6.0.tar.gz", hash = "sha256:374d1e2ecf78981da94bfaf95366216aaec27c2d6a7b7d5818d92da55aa258d3"},
+]
 nodeenv = [
     {file = "nodeenv-1.6.0-py2.py3-none-any.whl", hash = "sha256:621e6b7076565ddcacd2db0294c0381e01fd28945ab36bcf00f41c5daf63bef7"},
     {file = "nodeenv-1.6.0.tar.gz", hash = "sha256:3ef13ff90291ba2a4a7a4ff9a979b63ffdd00a464dbe04acf0ea6471517a4c2b"},
diff --git a/pyproject.toml b/pyproject.toml
index 459522d..ea0916b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ python = "^3.7"
 
 [tool.poetry.dev-dependencies]
 pre-commit = "^2.13.0"
+invoke = "^1.6.0"
 
 [tool.poetry.scripts]
 insee = 'insee_number_translator.main:main'
diff --git a/tasks.py b/tasks.py
new file mode 100644
index 0000000..524c138
--- /dev/null
+++ b/tasks.py
@@ -0,0 +1,9 @@
+from invoke import Context, task
+
+
+@task
+def tag(context, tag):
+    """Create & push a git tag"""
+    context: Context
+    context.run(f"git tag -a {tag} -m '{tag}'")
+    context.run("git push --follow-tags")