diff --git a/config/config.php b/config/config.php
index <HASH>..<HASH> 100644
--- a/config/config.php
+++ b/config/config.php
@@ -210,6 +210,9 @@ return [
      * Execution middlewares
      */
     'execution_middleware' => [
-        //\Rebing\GraphQL\Support\ExecutionMiddleware\UnusedVariablesMiddleware::class,
+        \Rebing\GraphQL\Support\ExecutionMiddleware\ValidateOperationParamsMiddleware::class,
+        \Rebing\GraphQL\Support\ExecutionMiddleware\AutomaticPersistedQueriesMiddleware::class,
+        \Rebing\GraphQL\Support\ExecutionMiddleware\AddAuthUserContextValueMiddleware::class,
+        // \Rebing\GraphQL\Support\ExecutionMiddleware\UnusedVariablesMiddleware::class,
     ],
 ];
Define the default set of execution middlewares