diff --git a/src/ConfigController.php b/src/ConfigController.php
index fec1936..77c1768 100644
--- a/src/ConfigController.php
+++ b/src/ConfigController.php
@@ -8,6 +8,7 @@
 use Encore\Admin\Grid;
 use Encore\Admin\Layout\Content;
 use Encore\Admin\Show;
+use Illuminate\Support\Facades\Cache;
 
 class ConfigController
 {
@@ -110,6 +111,9 @@ public function form()
 
         $form->display('created_at');
         $form->display('updated_at');
+        $form->saved(function (Form $form) {
+            Cache::forget('admin_config');
+        });
 
         return $form;
     }