diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index be27d13..ea71f69 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -56,7 +56,7 @@ jobs:
 
       - name: Upload coverage to Codecov
         if: github.ref == 'refs/heads/main'
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           flags: unittests