diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d10b36a64..c6b2174d9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -113,7 +113,7 @@ jobs:
 
     - name: Submit code coverage
       if: matrix.php-version == '8.2'
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
 
   testsuite-windows:
     runs-on: windows-2022
@@ -181,7 +181,7 @@ jobs:
           vendor/bin/phpunit --verbose --coverage-clover=coverage.xml
 
     - name: Submit code coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
 
   cs-stan:
     name: Coding Standard & Static Analysis