diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7dfca34..6487ff0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -51,9 +51,15 @@ jobs:
       REDIS_URL: redis://localhost:6379/0
     steps:
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
       - uses: astral-sh/setup-uv@v4
       - run: uv sync --group dev
-      - run: uv run pytest tests/ -v --cov=ontokit
+      - run: uv run pytest tests/ -v --cov=ontokit --cov-branch --cov-report=xml
+      - uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: true
 
   build:
     runs-on: ubuntu-latest