diff --git a/package.json b/package.json
index eba55f2..cfab6de 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nodelua",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "Lua Bindings For Node.JS",
   "keywords": [
     "lua"
diff --git a/src/utils.cc b/src/utils.cc
index 675e268..a7e2e5d 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include "utils.h"
 
 char * get_str(v8::Local<v8::Value> val){