diff --git a/.github/workflows/php-ci.yml b/.github/workflows/php-ci.yml
index 99bb8db..92e7683 100644
--- a/.github/workflows/php-ci.yml
+++ b/.github/workflows/php-ci.yml
@@ -18,6 +18,8 @@ jobs:
         uses: php-actions/composer@v6
         with:
           command: validate
+          php_extensions: intl
+          php_version: 8.1
 
       - name: Cache Composer Dependencies
         id: composer-cache