diff --git a/.babelrc b/.babelrc
index 10947028d..ee68c3541 100644
--- a/.babelrc
+++ b/.babelrc
@@ -3,9 +3,8 @@
     "webpack": {
       "presets": [
         ["env", {
-          "debug": true,
           "targets": {
-            "node": 4.7,
+            "node": "4.7",
             "browsers": [
               "last 3 versions",
               "ie >= 11"
@@ -18,7 +17,6 @@
     "test": {
       "presets": [
         ["env", {
-          "debug": true,
           "targets": {
             "node": 4.7,
             "browsers": [
diff --git a/.gitignore b/.gitignore
index e4bc13c89..c0103de7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -155,3 +155,5 @@ $RECYCLE.BIN/
 *.patch
 
 # End of https://www.gitignore.io/api/node,windows,osx,linux,vim
+yarn.lock
+package-lock.json
diff --git a/package.json b/package.json
index d3bab816e..f81f0890d 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "build:ci": "npm run vendor:version && npm run build:standalone && npm run build:modules",
     "build:standalone": "BABEL_ENV=webpack webpack && BABEL_ENV=webpack NODE_ENV=production webpack",
     "build:standalone:log": "BABEL_ENV=webpack npm run build && BABEL_ENV=webpack NODE_ENV=production webpack --json --profile > webpack-build-log.json",
-    "build:modules": "BABEL_ENV=webpack babel lib -d dist/es6-modules",
+    "build:modules": "BABEL_ENV=webpack babel lib -d dist/es6-modules && cp ./version.js ./dist/version.js",
     "docs:build": "jsdoc -c jsdoc.json",
     "docs:dev": "npm run build && npm run docs:build",
     "docs:watch": "nodemon --exec npm run docs:dev -w lib",