diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4b5c9c8..d008b63 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,7 +24,7 @@ jobs:
     - name: test
       run: tox
     - name: upload cov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         files: ./coverage.xml
         fail_ci_if_error: true