diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index a98e0405..cd2322b1 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -133,7 +133,7 @@ jobs:
             pytest -m 'not (slow or long)' ;;
         esac
 
-    - uses: codecov/codecov-action@v3
+    - uses: codecov/codecov-action@v4
       with:
         file: ./coverage.xml
         name: codecov-umbrella