diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8ef86de..3e24ba6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -27,7 +27,7 @@ jobs:
           poetry run pytest --cov=./ --cov-report=xml
 
       - name: Coverage upload
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
           directory: ./coverage/reports/