diff --git a/app/Middleware/QuotaMiddleware.php b/app/Middleware/QuotaMiddleware.php
index 56271b6..a983ba4 100644
--- a/app/Middleware/QuotaMiddleware.php
+++ b/app/Middleware/QuotaMiddleware.php
@@ -112,7 +112,7 @@ final class QuotaMiddleware
         $stmt->execute([$tenantId]);
         
         // Invalidate cache
-        Cache::forget("quota_sub_{$tenantId}");
+        Cache::delete("quota_sub_{$tenantId}");
     }
 
     /**
diff --git a/app/middleware/QuotaMiddleware.php b/app/middleware/QuotaMiddleware.php
index 56271b6..a983ba4 100644
--- a/app/middleware/QuotaMiddleware.php
+++ b/app/middleware/QuotaMiddleware.php
@@ -112,7 +112,7 @@ final class QuotaMiddleware
         $stmt->execute([$tenantId]);
         
         // Invalidate cache
-        Cache::forget("quota_sub_{$tenantId}");
+        Cache::delete("quota_sub_{$tenantId}");
     }
 
     /**