diff --git a/package.json b/package.json
index 175c1675f2c..fdb85ea764b 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
         "tsserver": "./bin/tsserver"
     },
     "engines": {
-        "node": ">=0.8.0"
+        "node": ">=4.2.0"
     },
     "devDependencies": {
         "@types/browserify": "latest",