diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1e46a93..710af46 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,7 +55,7 @@ jobs:
         run: poetry run pytest --cov-report=xml
         shell: bash
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@e79a6962e0d4c0c17b229090214935d2e33f8354 # v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}