update dependencies

Gruntfile.js

@@ -1,5 +1,6 @@
 module.exports = function(grunt) {
 
+  const sass = require('node-sass');
   require('load-grunt-tasks')(grunt);
 
   grunt.loadNpmTasks('grunt-execute');
@@ -114,6 +115,7 @@ module.exports = function(grunt) {
 
     sass: {
       options: {
+        implementation: sass,
         sourceMap: true
       },
       dist: {

package.json

@@ -22,36 +22,35 @@
     "url": "https://github.com/alexanderzobnin/grafana-zabbix/issues"
   },
   "devDependencies": {
-    "babel-jest": "^21.2.0",
+    "babel": "^6.23.0",
+    "babel-jest": "^23.6.0",
     "babel-plugin-transform-es2015-for-of": "^6.6.0",
     "babel-plugin-transform-es2015-modules-systemjs": "^6.5.0",
     "babel-preset-es2015": "^6.5.0",
-    "babel": "~6.5.1",
     "benchmark": "^2.1.4",
-    "codecov": "^3.0.0",
-    "grunt-babel": "~6.0.0",
+    "codecov": "^3.1.0",
+    "grunt": "^1.0.3",
+    "grunt-babel": "^7.0.0",
     "grunt-benchmark": "^1.0.0",
-    "grunt-cli": "~1.2.0",
-    "grunt-contrib-clean": "~0.6.0",
-    "grunt-contrib-copy": "~0.8.2",
-    "grunt-contrib-jshint": "^1.0.0",
-    "grunt-contrib-uglify": "~0.11.0",
-    "grunt-contrib-watch": "^0.6.1",
-    "grunt-execute": "~0.2.2",
-    "grunt-jscs": "^2.8.0",
-    "grunt-sass": "^1.1.0",
-    "grunt-systemjs-builder": "^0.2.5",
-    "grunt": "~0.4.5",
+    "grunt-cli": "^1.3.1",
+    "grunt-contrib-clean": "^2.0.0",
+    "grunt-contrib-copy": "^1.0.0",
+    "grunt-contrib-jshint": "^2.0.0",
+    "grunt-contrib-uglify": "^4.0.0",
+    "grunt-contrib-watch": "^1.1.0",
+    "grunt-execute": "^0.2.2",
+    "grunt-jscs": "^3.0.1",
+    "grunt-sass": "^3.0.2",
+    "grunt-systemjs-builder": "^1.0.0",
     "jest": "^23.5.0",
     "jsdom": "~11.3.0",
     "jshint-stylish": "^2.1.0",
     "load-grunt-tasks": "~3.2.0",
     "lodash": "~4.17.5",
     "moment": "~2.21.0",
+    "node-sass": "^4.9.4",
     "systemjs": "^0.20.19",
     "tether-drop": "^1.4.2"
   },
-  "dependencies": {
-  },
   "homepage": "http://grafana-zabbix.org"
 }