diff --git a/.github/actions/php-build/action.yml b/.github/actions/php-build/action.yml
index 6b4b55d..3f184bc 100644
--- a/.github/actions/php-build/action.yml
+++ b/.github/actions/php-build/action.yml
@@ -21,6 +21,7 @@ runs:
       with:
         command: validate
         php_version: ${{ inputs.php-version }}
+        php_extensions: intl
 
     - name: 'Cache Composer Dependencies'
       id: composer-cache
@@ -35,4 +36,5 @@ runs:
       uses: php-actions/composer@v6
       with:
         args: ${{ inputs.composer-args }}
-        php_version: ${{ inputs.php-version }}
\ No newline at end of file
+        php_version: ${{ inputs.php-version }}
+        php_extensions: intl