diff --git a/package.json b/package.json
index ee43110..8febda8 100644
--- a/package.json
+++ b/package.json
@@ -27,8 +27,8 @@
     "yeoman-generator": "~0.13.0"
   },
   "peerDependencies": {
-    "generator-karma": "~0.5.0",
-    "yo": ">=1.0.0-rc.1.1"
+    "generator-karma": "~0.8.3",
+    "yo": "~1.3.3"
   },
   "devDependencies": {
     "mocha": "~1.12.0",