diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 54ea7d2..994f79f 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -48,7 +48,7 @@ jobs:
         pytest --cov=corda --cov-report=xml
     - name: Upload to codecov
       if: matrix.os == 'ubuntu-latest' && matrix.python-version == 3.10
-      uses: codecov/codecov-action@v3.1.5
+      uses: codecov/codecov-action@v4.0.1
 
   release:
       needs: test