diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9ff7123..c215d32 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,4 +28,6 @@ jobs:
         export DFLOW_DEBUG=1
         coverage run -m unittest -v -f 
         coverage report
-    - uses: codecov/codecov-action@v3
+    - uses: codecov/codecov-action@v4
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}