diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 2dc96c3c..c975729b 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -40,7 +40,7 @@ jobs:
       - name: Check for missing kwargs
         run: python scripts/find_missing_kwargs.py
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true
           token: ${{ secrets.CODECOV_TOKEN }}