diff --git a/packages/core.gbapp/models/GBModel.ts b/packages/core.gbapp/models/GBModel.ts
index e060ab6b..c56a5846 100644
--- a/packages/core.gbapp/models/GBModel.ts
+++ b/packages/core.gbapp/models/GBModel.ts
@@ -85,7 +85,7 @@ export class GuaribasInstance extends Model<GuaribasInstance>
   public state: string;
 
   @Column
-  public version: string;
+  declare public version: string;
 
   @Column
   public enabledAdmin: boolean;