diff --git a/schema-builder/schema-builder-ui/tsconfig.json b/schema-builder/schema-builder-ui/tsconfig.json
index cde5e3505..f38ed76f0 100644
--- a/schema-builder/schema-builder-ui/tsconfig.json
+++ b/schema-builder/schema-builder-ui/tsconfig.json
@@ -8,7 +8,8 @@
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
     "lib": [
-      "es2016"
-    ]
+      "es6"
+    ],
+    "target": "es6"
   }
 }