diff --git a/packages/strapi-admin/files/package.json b/packages/strapi-admin/files/package.json
index d99abe2407..6698f823bf 100644
--- a/packages/strapi-admin/files/package.json
+++ b/packages/strapi-admin/files/package.json
@@ -26,7 +26,7 @@
     "sanitize.css": "^4.1.0"
   },
   "devDependencies": {
-    "cross-env": "^3.1.3",
+    "cross-env": "^5.0.5",
     "eslint": "^4.4.1",
     "eslint-config-airbnb": "^15.1.0",
     "eslint-config-airbnb-base": "^11.3.1",
@@ -40,9 +40,9 @@
     "extract-text-webpack-plugin": "^1.0.1",
     "html-loader": "^0.4.3",
     "html-webpack-plugin": "^2.22.0",
-    "plop": "^1.5.0",
+    "plop": "^1.8.0",
     "prettier": "^1.5.3",
-    "rimraf": "^2.5.4",
+    "rimraf": "^2.6.1",
     "strapi-helper-plugin": "3.0.0-alpha.4.8",
     "webpack": "^3.5.5"
   },
diff --git a/packages/strapi-helper-plugin/lib/internals/webpack/webpack.dev.babel.js b/packages/strapi-helper-plugin/lib/internals/webpack/webpack.dev.babel.js
index 39920730d8..35bdb67854 100644
--- a/packages/strapi-helper-plugin/lib/internals/webpack/webpack.dev.babel.js
+++ b/packages/strapi-helper-plugin/lib/internals/webpack/webpack.dev.babel.js
@@ -40,7 +40,6 @@ const port = argv.port || process.env.PORT || 3000;
 module.exports = require('./webpack.base.babel')({
   // Add hot reloading in development
   entry: [
-    'eventsource-polyfill', // Necessary for hot reloading with IE
     `webpack-hot-middleware/client?path=http://localhost:${port}/__webpack_hmr`,
     appPath,
   ],
diff --git a/packages/strapi-helper-plugin/package.json b/packages/strapi-helper-plugin/package.json
index beae99e75c..7327157285 100644
--- a/packages/strapi-helper-plugin/package.json
+++ b/packages/strapi-helper-plugin/package.json
@@ -48,15 +48,10 @@
     "babel-preset-react": "^6.24.1",
     "babel-preset-react-hmre": "^1.1.1",
     "babel-preset-stage-0": "^6.24.1",
-    "chai": "3.5.0",
-    "chai-enzyme": "0.5.2",
-    "chalk": "1.1.3",
-    "cheerio": "0.22.0",
-    "compression": "1.6.2",
-    "coveralls": "2.11.14",
-    "cross-env": "3.1.3",
+    "chalk": "^2.1.0",
+    "cheerio": "^1.0.0-rc.2",
+    "cross-env": "^5.0.5",
     "css-loader": "^0.28.5",
-    "enzyme": "2.5.1",
     "eslint": "^4.4.1",
     "eslint-config-airbnb": "^15.1.0",
     "eslint-config-airbnb-base": "^11.3.1",
@@ -67,38 +62,31 @@
     "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-react": "^7.2.1",
     "eslint-plugin-redux-saga": "^0.4.0",
-    "eventsource-polyfill": "0.9.6",
-    "expect": "1.20.2",
-    "expect-jsx": "2.6.0",
     "exports-loader": "^0.6.4",
-    "express": "4.14.0",
+    "express": "^4.15.4",
     "extract-text-webpack-plugin": "^3.0.0",
     "file-loader": "^0.11.2",
-    "fontfaceobserver": "2.0.1",
     "history": "3.0.0",
     "html-loader": "^0.5.1",
     "html-webpack-plugin": "^2.30.1",
     "image-webpack-loader": "^3.3.1",
-    "immutable": "3.8.1",
+    "immutable": "^3.8.1",
     "imports-loader": "^0.7.1",
-    "intl": "1.2.4",
+    "intl": "^1.2.5",
     "invariant": "2.2.1",
     "json-loader": "^0.5.7",
-    "lint-staged": "3.2.0",
-    "lodash": "4.15.0",
+    "lodash": "^4.17.4",
     "mocha": "3.1.2",
-    "node-sass": "4.5.3",
+    "node-sass": "^4.5.3",
     "null-loader": "^0.1.1",
-    "plop": "1.5.0",
-    "postcss-cssnext": "2.11.0",
-    "postcss-focus": "1.0.0",
+    "plop": "^1.8.0",
+    "postcss-cssnext": "^3.0.2",
+    "postcss-focus": "^2.0.0",
     "postcss-loader": "^2.0.6",
-    "postcss-reporter": "2.0.0",
-    "postcss-smart-import": "0.6.13",
-    "pre-commit": "1.1.3",
-    "precss": "1.4.0",
-    "prettier": "1.5.3",
-    "psi": "2.0.4",
+    "postcss-reporter": "^5.0.0",
+    "postcss-smart-import": "^0.7.5",
+    "precss": "^2.0.0",
+    "prettier": "^1.5.3",
     "react": "15.3.0",
     "react-dom": "15.3.0",
     "react-helmet": "3.1.0",
@@ -111,17 +99,15 @@
     "redux-immutable": "3.0.7",
     "redux-saga": "0.11.0",
     "reselect": "2.5.3",
-    "rimraf": "2.5.4",
+    "rimraf": "^2.6.1",
     "sass-loader": "^6.0.6",
-    "shelljs": "0.7.5",
-    "sinon": "2.0.0-pre",
+    "shelljs": "^0.7.8",
     "style-loader": "^0.18.2",
     "url-loader": "^0.5.9",
-    "warning": "3.0.0",
     "webpack": "^3.5.5",
     "webpack-dev-middleware": "^1.12.0",
     "webpack-hot-middleware": "^2.18.2",
-    "whatwg-fetch": "1.0.0"
+    "whatwg-fetch": "^2.0.3"
   },
   "devDependencies": {
     "uglifyjs-webpack-plugin": "^1.0.0-beta.2"