diff --git a/templates/web-polymer/pubspec.yaml b/templates/web-polymer/pubspec.yaml
index ae7dc95dfbb7d54c5eec6f3deda1f8c4ae6a0cba..a7ddd5fd396446a81b51dfed007f8a347480e455 100644
--- a/templates/web-polymer/pubspec.yaml
+++ b/templates/web-polymer/pubspec.yaml
@@ -5,7 +5,7 @@ description: A web app built using polymer.dart.
 #homepage: https://www.example.com
 
 environment:
-  sdk: '>=1.0.0 <2.0.0'
+  sdk: '>=1.9.0 <2.0.0'
 
 dependencies:
   browser: ^0.10.0