diff --git a/package.js b/package.js
index db4d387..2605353 100644
--- a/package.js
+++ b/package.js
@@ -18,7 +18,7 @@ Package.onUse(function(api, where) {
 
   api.use([
     'softwarerero:accounts-t9n',
-    'coffeescript'
+    'coffeescript@1.2.3||2.0.0'
   ], ["client"]);
 
   api.addFiles([