diff --git a/package.json b/package.json
index b5f23052..f949d9b2 100644
--- a/package.json
+++ b/package.json
@@ -39,8 +39,8 @@
     "rimraf": "~2.5.0",
     "underscore.inflections": "~0.2.1",
     "underscore.string": "~3.2.2",
-    "yeoman-generator": "~0.21.1",
-    "yo": "~1.5.0"
+    "yeoman-generator": "~5.0.0",
+    "yo": "~4.3.1"
   },
   "devDependencies": {
     "gulp": "https://github.com/gulpjs/gulp.git#d8f5c90a0622d19ef1943a2a3d02dc50e3c853e7",