diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index c62a8a3..07eed71 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -24,7 +24,7 @@ jobs:
         run: |
           make coverage
       - name: Upload coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: false