diff --git a/app/Models/User.php b/app/Models/User.php
index e28566b..12521aa 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -173,7 +173,7 @@ public function selectPublic(): self|Builder|CachedBuilder
         return $this->select($this->publics);
     }
 
-    public function prunable()
+    public function prunable(): self|Builder|CachedBuilder
     {
         return static::where('deleted_at', '<=', now()->subWeek());
     }