diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ccdb0f1..3cb6d6a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,3 +16,4 @@ jobs:
       - uses: php-actions/phpunit@v3
         with:
           test_suffix: "Test.php"
+          php_version: ${{ matrix.php-versions }}