diff --git a/gulpfile.babel.js b/gulpfile.js
similarity index 83%
rename from gulpfile.babel.js
rename to gulpfile.js
index fcd73aa..a910f6c 100644
--- a/gulpfile.babel.js
+++ b/gulpfile.js
@@ -1,8 +1,8 @@
-import gulp from "gulp";
-import sourcemaps from "gulp-sourcemaps";
-import sass from "gulp-sass";
-import autoprefixer from "gulp-autoprefixer";
-import browserSync from "browser-sync";
+const gulp = require("gulp");
+const sourcemaps = require("gulp-sourcemaps");
+const sass = require("gulp-sass");
+const autoprefixer = require("gulp-autoprefixer");
+const browserSync = require("browser-sync");
 
 let bs = browserSync.create("bs-server");
 
@@ -28,6 +28,7 @@ gulp.task("build-css", () => {
 
 gulp.task("serve", ["build-css"], () => {
     bs.init({
+        open: false,
         server: {
             baseDir: "dist"
         }
diff --git a/package.json b/package.json
index e588b02..7cadf63 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,10 @@
 {
   "devDependencies": {
-    "babel": "^5.8.23",
-    "bootstrap": "git://github.com/twbs/bootstrap.git#v4.0.0-alpha",
-    "browser-sync": "^2.9.3",
-    "gulp": "^3.9.0",
-    "gulp-autoprefixer": "^3.0.2",
-    "gulp-sass": "^2.1.0-beta",
-    "gulp-sourcemaps": "^1.5.2"
+    "bootstrap": "^4.0.0-alpha.6",
+    "browser-sync": "^2.18.7",
+    "gulp": "^3.9.1",
+    "gulp-autoprefixer": "^3.1.1",
+    "gulp-sass": "^3.1.0",
+    "gulp-sourcemaps": "^2.4.1"
   }
 }