diff --git a/app/Models/Role.php b/app/Models/Role.php
index 2b29f43..c188463 100644
--- a/app/Models/Role.php
+++ b/app/Models/Role.php
@@ -26,6 +26,10 @@ class Role extends Model
         return $this->belongsToMany(Permission::class,"role_permission");
     }
 
+    public function users(){
+        return $this->belongsToMany(Role::class,'user_role');
+    }
+
     public function getActivitylogOptions(): LogOptions
     {
         return LogOptions::defaults();
diff --git a/app/Models/User.php b/app/Models/User.php
index 90ae061..200fe1f 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -57,6 +57,10 @@ class User extends Authenticatable
         return $this->belongsToMany(Role::class,'user_role')->with("permissions");
     }
 
+    public function forgetPermission(){
+        Cache::forget("permission_".$this->id);
+    }
+
     public function getPermission(){
         $user = $this;
         return Cache::rememberForever("permission_".$this->id, function() use ($user){
diff --git a/app/Repositories/Auth/RoleRepository.php b/app/Repositories/Auth/RoleRepository.php
index a55825e..84de474 100644
--- a/app/Repositories/Auth/RoleRepository.php
+++ b/app/Repositories/Auth/RoleRepository.php
@@ -41,11 +41,20 @@ class RoleRepository
         if (@$params["permissions"]){
             $model->permissions()->sync($params["permissions"]);
         }
+
+        foreach($model->users as $user){
+            $user->forgetPermission();
+        }
+
         return $model;
     }
 
     public function delete($model){
 
+        foreach($model->users as $user){
+            $user->forgetPermission();
+        }
+
         $model->delete();
     }
 }
diff --git a/app/Repositories/Auth/UserRepository.php b/app/Repositories/Auth/UserRepository.php
index 06d9ca8..c27a4d7 100644
--- a/app/Repositories/Auth/UserRepository.php
+++ b/app/Repositories/Auth/UserRepository.php
@@ -31,6 +31,8 @@ class UserRepository
         $user = User::create($params);
         if (@$params["roles"]){
             $user->roles()->sync($params["roles"]);
+
+            $user->forgetPermission();
         }
         return $user;
     }
@@ -40,6 +42,8 @@ class UserRepository
         $user->update($params);
         if (@$params["roles"]){
             $user->roles()->sync($params["roles"]);
+
+            $user->forgetPermission();
         }
         return $user;
     }