diff --git a/package.json b/package.json
index 6d18348e..eba5894f 100644
--- a/package.json
+++ b/package.json
@@ -51,22 +51,22 @@
     "babel-preset-stage-0": "^6.24.1",
     "babel-register": "^6.24.1",
     "chai": "^3.5.0",
-    "cross-env": "^3.1.4",
+    "cross-env": "^5.2.0",
     "css-loader": "^0.28.4",
     "es6-promise": "^4.1.0",
     "eslint": "^3.19.0",
     "eslint-plugin-react": "6.10.3",
-    "extract-text-webpack-plugin": "^1.0.1",
+    "extract-text-webpack-plugin": "^3.0.2",
     "file-loader": "^0.11.2",
     "husky": "^0.13.4",
     "ismobilejs": "^0.4.1",
-    "isomorphic-fetch": "^2.2.1",
+    "isomorphic-fetch": "^3.0.0",
     "jsdom": "^9.12.0",
     "less": "^2.7.2",
     "less-loader": "^2.2.3",
     "lint-staged": "^3.6.1",
     "mocha": "^3.4.2",
-    "nyc": "^10.1.2",
+    "nyc": "^15.0.0",
     "openurl": "^1.1.1",
     "postcss-loader": "^1.3.3",
     "prettier": "1.7.4",
@@ -81,7 +81,7 @@
     "svgo-loader": "^1.2.1",
     "url-loader": "^0.5.9",
     "webpack": "^1.14.0",
-    "webpack-dev-server": "^1.16.2"
+    "webpack-dev-server": "^4.0.0"
   },
   "files": ["dist"],
   "lint-staged": {