Update package.json

Author: ifndefdeadmau5

docs/package.json

@@ -24,13 +24,13 @@
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-jsx-a11y": "^4.0.0",
     "eslint-plugin-react": "^6.10.3",
-    "gh-pages": "^1.0.0",
+    "gh-pages": "^2.0.1",
     "html-webpack-plugin": "^2.28.0",
-    "webpack": "^2.4.1",
-    "webpack-dev-server": "^2.4.3"
+    "webpack": "2.4.1",
+    "webpack-dev-server": "2.4.3"
   },
   "dependencies": {
-    "@material-ui/core": "^1.2.0",
+    "@material-ui/core": "^1.5.1",
     "jss": "^9.8.2",
     "jss-preset-default": "^4.5.0",
     "prop-types": "^15.5.8",