diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 70b757fa9..423b0a2fc 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -75,7 +75,7 @@ jobs:
       run: |
         pip install -e .
         pytest --cov=maggma --cov-report=xml
-    - uses: codecov/codecov-action@v3.1.1
+    - uses: codecov/codecov-action@v4.3.1
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml