diff --git a/.stylelintrc b/.stylelintrc
index eb6c0b8fd..74aa86c6d 100644
--- a/.stylelintrc
+++ b/.stylelintrc
@@ -1,5 +1,5 @@
 {
-  "extends": "stylelint-config-standard",
+  "extends": "stylelint-config-recommended-scss",
   "rules": {
     "selector-pseudo-class-no-unknown": [true, {
         "ignorePseudoClasses": ["/global/"]
diff --git a/package.json b/package.json
index 483c7307b..0625913d1 100644
--- a/package.json
+++ b/package.json
@@ -26,21 +26,21 @@
     "bunyan": "^1.8.0",
     "chalk": "^2.0.1",
     "commander": "^2.11.0",
-    "compression": "1.6.2",
+    "compression": "1.7.1",
     "cookies": "^0.7.0",
     "cors": "^2.8.3",
-    "express": "4.15.3",
+    "express": "4.16.2",
     "global": "^4.3.2",
-    "handlebars": "4.0.5",
+    "handlebars": "4.0.11",
     "http-errors": "^1.4.0",
     "js-string-escape": "1.0.1",
     "js-yaml": "^3.6.0",
-    "jsonwebtoken": "^7.4.1",
+    "jsonwebtoken": "^8.1.0",
     "lockfile": "^1.0.1",
     "lodash": "4.17.4",
     "lunr": "^0.7.0",
     "marked": "0.3.9",
-    "mime": "^1.3.6",
+    "mime": "^2.0.3",
     "minimatch": "^3.0.2",
     "mkdirp": "^0.5.1",
     "pkginfo": "^0.4.0",
@@ -49,8 +49,8 @@
     "unix-crypt-td-js": "^1.0.0"
   },
   "devDependencies": {
-    "axios": "0.16.2",
-    "babel-cli": "^6.26.0",
+    "axios": "0.17.0",
+    "babel-cli": "6.26.0",
     "babel-core": "6.26.0",
     "babel-eslint": "8.0.1",
     "babel-loader": "7.1.2",
@@ -59,7 +59,7 @@
     "babel-plugin-transform-es2015-classes": "^6.24.1",
     "babel-plugin-transform-runtime": "6.23.0",
     "babel-polyfill": "^6.26.0",
-    "babel-preset-env": "1.6.0",
+    "babel-preset-env": "1.6.1",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-es2015-node4": "2.1.0",
     "babel-preset-flow": "6.23.0",
@@ -73,50 +73,51 @@
     "codacy-coverage": "2.0.2",
     "codecov": "2.2.0",
     "coveralls": "2.13.1",
-    "css-loader": "0.28.4",
-    "element-react": "1.0.16",
-    "element-theme-default": "1.3.7",
-    "eslint": "4.2.0",
-    "eslint-config-google": "0.8.0",
-    "eslint-loader": "1.8.0",
-    "eslint-plugin-babel": "4.1.1",
-    "eslint-plugin-flowtype": "2.35.0",
-    "eslint-plugin-import": "2.6.1",
-    "eslint-plugin-react": "7.1.0",
-    "extract-text-webpack-plugin": "3.0.0",
-    "file-loader": "0.11.2",
+    "css-loader": "0.28.7",
+    "element-react": "1.4.1",
+    "element-theme-default": "1.4.9",
+    "eslint": "4.10.0",
+    "eslint-config-google": "0.9.1",
+    "eslint-loader": "1.9.0",
+    "eslint-plugin-babel": "4.1.2",
+    "eslint-plugin-flowtype": "2.39.1",
+    "eslint-plugin-import": "2.8.0",
+    "eslint-plugin-react": "7.4.0",
+    "extract-text-webpack-plugin": "3.0.2",
+    "file-loader": "1.1.5",
     "flow-bin": "0.52.0",
-    "flow-runtime": "0.13.0",
+    "flow-runtime": "0.14.0",
     "friendly-errors-webpack-plugin": "1.6.1",
-    "fs-extra": "4.0.1",
-    "github-markdown-css": "2.8.0",
-    "html-webpack-plugin": "2.29.0",
+    "fs-extra": "4.0.2",
+    "github-markdown-css": "2.9.0",
+    "html-webpack-plugin": "2.30.1",
     "in-publish": "2.0.0",
     "localstorage-memory": "1.0.2",
     "mocha": "3.5.3",
     "mocha-lcov-reporter": "1.3.0",
-    "node-sass": "4.5.3",
+    "node-sass": "4.6.0",
     "normalize.css": "7.0.0",
     "nyc": "11.0.3",
     "ora": "1.3.0",
-    "prop-types": "15.5.10",
-    "react": "15.6.1",
-    "react-dom": "15.6.1",
+    "prop-types": "15.6.0",
+    "react": "16.0.0",
+    "react-dom": "16.0.0",
     "react-hot-loader": "3.0.0-beta.7",
-    "react-router-dom": "4.1.1",
-    "react-syntax-highlighter": "5.6.2",
-    "rimraf": "2.6.1",
+    "react-router-dom": "4.2.2",
+    "react-syntax-highlighter": "5.8.0",
+    "rimraf": "2.6.2",
     "sass-loader": "6.0.6",
-    "source-map-loader": "0.2.1",
+    "source-map-loader": "0.2.3",
     "standard-version": "4.2.0",
-    "style-loader": "0.18.2",
-    "stylelint": "7.13.0",
-    "stylelint-config-standard": "16.0.0",
-    "stylelint-webpack-plugin": "0.8.0",
-    "url-loader": "0.5.8",
-    "webpack": "3.2.0",
-    "webpack-dev-server": "2.5.0",
-    "webpack-merge": "4.1.0"
+    "style-loader": "0.19.0",
+    "stylelint": "8.2.0",
+    "stylelint-config-recommended-scss": "^2.0.0",
+    "stylelint-scss": "^2.1.0",
+    "stylelint-webpack-plugin": "0.9.0",
+    "url-loader": "0.6.2",
+    "webpack": "3.8.1",
+    "webpack-dev-server": "2.9.4",
+    "webpack-merge": "4.1.1"
   },
   "keywords": [
     "private",
diff --git a/src/api/endpoint/api/dist-tags.js b/src/api/endpoint/api/dist-tags.js
index ec7e43210..dd1f77fd1 100644
--- a/src/api/endpoint/api/dist-tags.js
+++ b/src/api/endpoint/api/dist-tags.js
@@ -27,13 +27,13 @@ module.exports = function(route, auth, storage) {
 
   // tagging a package
   route.put('/:package/:tag',
-    can('publish'), media(mime.lookup('json')), tag_package_version);
+    can('publish'), media(mime.getType('json')), tag_package_version);
 
   route.post('/-/package/:package/dist-tags/:tag',
-    can('publish'), media(mime.lookup('json')), tag_package_version);
+    can('publish'), media(mime.getType('json')), tag_package_version);
 
   route.put('/-/package/:package/dist-tags/:tag',
-    can('publish'), media(mime.lookup('json')), tag_package_version);
+    can('publish'), media(mime.getType('json')), tag_package_version);
 
   route.delete('/-/package/:package/dist-tags/:tag', can('publish'), function(req, res, next) {
     const tags = {};
@@ -59,7 +59,7 @@ module.exports = function(route, auth, storage) {
     });
   });
 
-  route.post('/-/package/:package/dist-tags', can('publish'), media(mime.lookup('json')), expect_json,
+  route.post('/-/package/:package/dist-tags', can('publish'), media(mime.getType('json')), expect_json,
     function(req, res, next) {
       storage.merge_tags(req.params.package, req.body, function(err) {
         if (err) {
diff --git a/src/api/endpoint/api/publish.js b/src/api/endpoint/api/publish.js
index 37bc0ac9b..7103c8a21 100644
--- a/src/api/endpoint/api/publish.js
+++ b/src/api/endpoint/api/publish.js
@@ -17,7 +17,7 @@ module.exports = function(router, auth, storage, config) {
   const can = Middleware.allow(auth);
 
   // publishing a package
-  router.put('/:package/:_rev?/:revision?', can('publish'), media(mime.lookup('json')), expect_json, function(req, res, next) {
+  router.put('/:package/:_rev?/:revision?', can('publish'), media(mime.getType('json')), expect_json, function(req, res, next) {
     const name = req.params.package;
     let metadata;
     const create_tarball = function(filename, data, cb) {
@@ -170,7 +170,7 @@ module.exports = function(router, auth, storage, config) {
   });
 
   // adding a version
-  router.put('/:package/:version/-tag/:tag', can('publish'), media(mime.lookup('json')), expect_json, function(req, res, next) {
+  router.put('/:package/:version/-tag/:tag', can('publish'), media(mime.getType('json')), expect_json, function(req, res, next) {
     let name = req.params.package;
     let version = req.params.version;
     let tag = req.params.tag;
diff --git a/src/webui/.eslintrc b/src/webui/.eslintrc
index 51eb12c70..eb219c736 100644
--- a/src/webui/.eslintrc
+++ b/src/webui/.eslintrc
@@ -5,6 +5,9 @@
     "jest": true,
     "es6": true
   },
+  "globals": {
+    "__DEBUG__": true
+  },
   "rules": {
     "require-jsdoc": 0,
     "no-console": [
diff --git a/src/webui/utils/__setPublicPath__.js b/src/webui/utils/__setPublicPath__.js
index 1437def52..f5281992b 100644
--- a/src/webui/utils/__setPublicPath__.js
+++ b/src/webui/utils/__setPublicPath__.js
@@ -1 +1,3 @@
-__webpack_public_path__ = window.VERDACCIO_API_URL.replace(/\/verdaccio\/$/, '/static/') // eslint-disable-line
+if (!__DEBUG__) {
+  __webpack_public_path__ = window.VERDACCIO_API_URL.replace(/\/verdaccio\/$/, '/static/') // eslint-disable-line
+}
diff --git a/tools/webpack.config.js b/tools/webpack.config.js
index c2823fb37..3c26eb27a 100644
--- a/tools/webpack.config.js
+++ b/tools/webpack.config.js
@@ -29,14 +29,14 @@ module.exports = {
       /* Pre loader */
       {
         enforce: 'pre',
-        test: /\.js?$/,
+        test: /\.jsx?$/,
         exclude: /node_modules/,
         use: 'eslint-loader',
       },
 
       /* Normal loader */
       {
-        test: /\.js?$/,
+        test: /\.jsx?$/,
         exclude: /node_modules/,
         use: 'babel-loader',
       },