diff --git a/Src/Controllers/ProductSpecificationController.cs b/Src/Controllers/ProductSpecificationController.cs
index 550163ce4..2982b58de 100644
--- a/Src/Controllers/ProductSpecificationController.cs
+++ b/Src/Controllers/ProductSpecificationController.cs
@@ -1,4 +1,5 @@
 using System.Threading;
+using System.Threading;
 using Microsoft.AspNetCore.Mvc;
 using VTEX;