diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index d6354fc8..082ad6a6
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "dependencies": {
     "bluebird": "^2.9.3",
     "color": "^0.7.3",
-    "nan": "1.5.3",
+    "nan": "^1.6.2",
     "semver": "^4.2.0"
   },
   "devDependencies": {