diff --git a/.github/workflows/pythonapp.yaml b/.github/workflows/pythonapp.yaml
index 7aeff870..f42fc16a 100644
--- a/.github/workflows/pythonapp.yaml
+++ b/.github/workflows/pythonapp.yaml
@@ -56,7 +56,7 @@ jobs:
           junit_files: results.xml
           comment_mode: off
           check_name:  "Test Results - ${{ join(matrix.*, ', ') }}"
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         env:
           PYTHON: ${{matrix.python}}
           BLEEDING_EDGE: ${{matrix.bleeding_edge}}