diff --git a/app/run.js b/app/run.js
index fe0a3e2..2f59149 100755
--- a/app/run.js
+++ b/app/run.js
@@ -10,7 +10,7 @@
 // load the node.js libraries to be abstracted
 var fs = require('fs');
 var path = require('path');
-var Script = process.binding('evals').Script;
+var Script = require('vm').Script;
 
 // define a few globals to be compatible with jsrun.jar
 global.arguments = global.internal_args || process.argv.slice(2);
diff --git a/package.json b/package.json
index bb0cb45..e2345ac 100644
--- a/package.json
+++ b/package.json
@@ -13,8 +13,8 @@
     "test": "app/test.js"
   },
   "engines": {
-    "node": "0.4"
+    "node": ">=0.4"
   },
   "dependencies": {},
   "devDependencies": {}
-}
\ No newline at end of file
+}