diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index eb9cf9e..b1b6163 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -106,7 +106,7 @@ jobs:
           . venv/bin/activate
           coverage combine coverage*/.coverage
           coverage xml
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true