diff --git a/composer.json b/composer.json
index 846975a9..aa2a335a 100644
--- a/composer.json
+++ b/composer.json
@@ -86,7 +86,8 @@
         "optimize-autoloader": true,
         "sort-packages": true,
         "platform": {
-            "php": "8.3"
+            "php": "8.3",
+            "ext-xsl": "1"
         }
     }
 }