Merge pull request #91 from raphinesse/drop-node4

Drop support for node<6
diff --git a/package.json b/package.json
index 968456d..bfb2c23 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   },
   "main": "plugman.js",
   "engines": {
-    "node": ">=0.9.9"
+    "node": ">=6"
   },
   "engineStrict": true,
   "dependencies": {