diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index a72ec7a..f4d6476 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -72,6 +72,6 @@ jobs:
 
       - name: Upload coverage to Codecov
         if: ${{ matrix.coverage }}
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           files: ./clover.xml