diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce00706..064fce4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,7 +53,7 @@ jobs:
 
       - name: Code Coverage Report
         if: success() && matrix.php-version == '8.1'
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
 
   cs-stan:
     name: Coding Standard & Static Analysis