diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2f40ab8..f181474 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -29,3 +29,7 @@ jobs:
       - name: Run tests
         run: |
           python -m pytest tests --cov
+      - name: Upload coverage
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}