diff --git a/.github/workflows/tests_unit.yml b/.github/workflows/tests_unit.yml
index 05788e115..84c7cb8e7 100644
--- a/.github/workflows/tests_unit.yml
+++ b/.github/workflows/tests_unit.yml
@@ -53,4 +53,15 @@ jobs:
       - name: tests
         run: |
           source $(poetry env info -p)/bin/activate
-          pytest --ignore=tests/integration tests/ 
+          coverage run --source=milabench -m pytest --ignore=tests/integration tests/ 
+          coverage report -m
+          coverage xml
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          file: ./coverage.xml
+          flags: unittests
+          env_vars: PLATFORM,PYTHON
+          name: codecov-umbrella
+          fail_ci_if_error: false
\ No newline at end of file
diff --git a/poetry.lock b/poetry.lock
index 66f14cc37..05ec27a3f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "alabaster"
@@ -2189,4 +2189,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.10,<4.0"
-content-hash = "e7242eff960d340d5675e36f416a14f90638f4b1671eee58bcd6c35af29fdb84"
+content-hash = "ac862de7cec59d54e21cdc3280c72810aa15b88da6e9b6e67fb03d7e89228177"
diff --git a/pyproject.toml b/pyproject.toml
index fa2bf0aab..6695d6440 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,6 +49,7 @@ pytest-cov = "^3.0.0"
 Sphinx = "^4.5.0"
 sphinx-rtd-theme = "^1.0.0"
 pytest-regressions = "^2.4.2"
+coverage = "^7.5.4"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]