diff --git a/templates/common/_package.json b/templates/common/_package.json
index d17a184..cf22820 100644
--- a/templates/common/_package.json
+++ b/templates/common/_package.json
@@ -34,7 +34,9 @@
     "webpack-dev-server": "~1.6.5",
     "grunt-open": "~0.2.3",
     "jshint-loader": "~0.8.0",
-    "grunt-contrib-copy": "~0.5.0",
+    "grunt-contrib-copy": "~0.5.0",<% if (es6) { %>
+    "6to5": "^1.10.10",
+    "6to5-loader": "^0.2.3",<% } %>
     "grunt-contrib-clean": "~0.6.0",<% if (stylesLanguage === 'sass') { %>
     "sass-loader": "^0.2.0",<% } %><% if (stylesLanguage === 'less') { %>
     "less-loader": "^0.7.7",<% } %><% if (stylesLanguage === 'stylus') { %>
diff --git a/templates/common/_webpack.dist.config.js b/templates/common/_webpack.dist.config.js
index 9a27ac8..1bb78c7 100644
--- a/templates/common/_webpack.dist.config.js
+++ b/templates/common/_webpack.dist.config.js
@@ -45,7 +45,7 @@ module.exports = {
 
     loaders: [{
       test: /\.jsx$/,
-      loader: 'jsx-loader?harmony'
+      loader: '<% if (es6) { %>6to5!<% }%>jsx-loader?harmony'
     }, {
       test: /\.css$/,
       loader: 'style-loader!css-loader'
diff --git a/templates/common/karma.conf.js b/templates/common/karma.conf.js
index 9ea3b86..abedc4c 100644
--- a/templates/common/karma.conf.js
+++ b/templates/common/karma.conf.js
@@ -28,7 +28,7 @@ module.exports = function (config) {
           loader: 'url-loader?limit=10000&mimetype=image/png'
         }, {
           test: /\.jsx$/,
-          loader: 'jsx-loader'
+          loader: '<% if (es6) { %>6to5!<% }%>jsx-loader'
         }]
       }
     },