Update dev deps

Author: wcoder

gulpfile.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var gulp = require('gulp');
-var sass = require('gulp-sass');
+var sass = require('gulp-sass')(require('sass'));
 var rename = require('gulp-rename');
 var uglify = require('gulp-uglify');
 var replace = require('gulp-replace');

package.json

@@ -3,15 +3,15 @@
   "version": "1.0.0",
   "description": "New conception of audio player for web. Based on https://github.com/wcoder/playeros",
   "main": "gulpfile.js",
-  "dependencies": {},
   "devDependencies": {
-    "express": "^4.15.3",
-    "gulp": "^3.9.1",
-    "gulp-cssnano": "^2.1.2",
-    "gulp-rename": "^1.2.2",
-    "gulp-replace": "^0.6.1",
-    "gulp-sass": "^3.1.0",
-    "gulp-uglify": "^3.0.0"
+    "express": "^4.17.1",
+    "gulp": "^4.0.2",
+    "gulp-cssnano": "^2.1.3",
+    "gulp-rename": "^2.0.0",
+    "gulp-replace": "^1.1.3",
+    "gulp-sass": "^5.0.0",
+    "gulp-uglify": "^3.0.2",
+    "sass": "^1.35.2"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"