diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c524e5c..0255d29 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -101,7 +101,7 @@ jobs:
       - name: Test itself
         run: python -m pytest --cov-report=xml
       - name: Upload coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           files: coverage.xml
           fail_ci_if_error: true # optional (default = false)