diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index f6ed68f69..9fc15fdfd 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -72,7 +72,7 @@ jobs:
         run: |
           $(pwd)/runtests.sh --unittests
       - name: Upload coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: false
           file: ./coverage.xml