diff --git a/lib/builder.js b/lib/builder.js
index c383fd2..2d599f0 100644
--- a/lib/builder.js
+++ b/lib/builder.js
@@ -307,7 +307,7 @@ function executeConfigFile(saveForReset, ignoreBaseURL, configPath, source) {
   var context = Object.create(global);
   context.SystemJS = context.System = configLoader;
   context.global = context;
-  if (process.versions.node && process.versions.node.split('.')[0] <= 6)
+  if (process.versions.node && process.versions.node.split('.')[0] < 6)
     context.GLOBAL = context.root = context;
   // make require available too, make it look as if config file was
   // loaded like a module
diff --git a/package.json b/package.json
index f4b429a..b15e604 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,10 @@
 {
   "name": "systemjs-builder",
-  "version": "0.15.17",
+  "version": "0.15.18",
   "description": "SystemJS Build Tool",
   "main": "index.js",
   "dependencies": {
-    "babel-core": "^6.7.7",
+    "babel-core": "^6.9.0",
     "babel-plugin-transform-es2015-modules-systemjs": "^6.6.5",
     "bluebird": "^3.3.4",
     "data-uri-to-buffer": "0.0.4",