updating dependencies to latest version

package.json

@@ -26,7 +26,7 @@
   "dependencies": {
     "bootstrap": "^4.0.0-alpha.4",
     "bower": "^1.7.9",
-    "browser-sync": "^2.13.0",
+    "browser-sync": "^2.16.0",
     "font-awesome": "^4.6.3",
     "gulp": "^3.9.1",
     "gulp-clone": "^1.0.0",
@@ -39,7 +39,7 @@
     "gulp-rimraf": "^0.2.0",
     "gulp-sass": "^2.3.2",
     "gulp-sourcemaps": "^1.6.0",
-    "gulp-uglify": "^1.5.3",
+    "gulp-uglify": "^2.0.0",
     "gulp-watch": "^4.3.6",
     "merge2": "^1.0.2",
     "owl.carousel": "^2.1.4",