diff --git a/tsconfig.base.json b/tsconfig.base.json
index 602626e4..d1cc5505 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -20,6 +20,7 @@
       "@polkadot/vue-identicon": ["vue-identicon/src"],
       "@polkadot/vue-identicon/*": ["vue-identicon/src/*"]
     },
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "target": "es2015"
   }
  }