diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 323fe68..e91907c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -37,7 +37,7 @@ jobs:
         pip install coverage
         coverage run -m pytest tests/
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         flags: unittests