diff --git a/compilers/es6.js b/compilers/es6.js
index 3e17cd8..ff42b94 100644
--- a/compilers/es6.js
+++ b/compilers/es6.js
@@ -35,7 +35,7 @@ exports.compile = function(load, opts, loader) {
 
   var source = load.source;
 
-  if (loader.parser == '6to5') {
+  if (loader.transpiler == '6to5') {
     options = loader.to5Options || {};
     options.modules = 'system';
     if (opts.sourceMaps)
@@ -87,7 +87,7 @@ exports.compile = function(load, opts, loader) {
 
     tree = transformer.transformAny(tree);
 
-    if (loader.parser == 'traceur')
+    if (loader.transpiler == 'traceur')
       tree = compiler.transform(tree, load.name);
 
     var source = compiler.write(tree, load.address);
diff --git a/package.json b/package.json
index 8677877..81b4e5b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "systemjs-builder",
-  "version": "0.6.0",
+  "version": "0.7.0",
   "description": "SystemJS Build Tool ===",
   "main": "index.js",
   "directories": {
@@ -10,13 +10,13 @@
     "mkdirp": "^0.5.0",
     "rsvp": "^3.0.16",
     "source-map": "~0.2.0",
-    "systemjs": "^0.12.1",
+    "systemjs": "^0.13.0",
     "traceur": "0.0.82",
-    "6to5": "^3.1.1",
+    "6to5": "~3.3.2",
     "uglify-js": "^2.4.15"
   },
   "devDependencies": {
-    "es6-module-loader": "0.12.0",
+    "es6-module-loader": "0.13.0",
     "react-tools": "^0.12.1"
   },
   "repository": {
diff --git a/test/run-build.js b/test/run-build.js
index a6b95fb..bfb6c15 100644
--- a/test/run-build.js
+++ b/test/run-build.js
@@ -12,7 +12,7 @@ builder.loadConfig('./cfg.js')
 .then(function() {
 
   if (process.argv[2] == '6to5')
-    builder.loader.parser = '6to5';
+    builder.loader.transpiler = '6to5';
 
   builder.build('tree/first', 'tree-build.js', { sourceMaps: true })
   .then(function() {