diff --git a/package.json b/package.json
index fd4ed6a..d1b55ed 100644
--- a/package.json
+++ b/package.json
@@ -9,11 +9,11 @@
   },
   "main": "./lib/index.js",
   "dependencies": {
-    "async": "~0.2.6",
+    "async": "^0.2.10",
     "builtins": "0.0.7",
     "colors": "~1.0.3",
-    "glob": "~4.3.5",
-    "mkdirp": "~0.3.5",
+    "glob": "^4.4.0",
+    "mkdirp": "^0.3.5",
     "module-deps": "^3.6.4",
     "ncp": "~1.0.1",
     "outcome": "0.0.18",
@@ -23,7 +23,7 @@
     "step": "0.0.x",
     "tar.gz": "0.1.1",
     "through": "^2.3.6",
-    "yargs": "~3.0.4"
+    "yargs": "^3.2.1"
   },
   "preferGlobal": "true",
   "bin": {