diff --git a/.github/workflows/test_and_coverage.yml b/.github/workflows/test_and_coverage.yml
index 3e70a6e..6dc6f35 100644
--- a/.github/workflows/test_and_coverage.yml
+++ b/.github/workflows/test_and_coverage.yml
@@ -34,7 +34,7 @@ jobs:
       run: pytest --cov=./ --cov-report=xml
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         file: ./coverage.xml
         flags: unittests