Fix material-ui dep

package.json

@@ -15,6 +15,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "@material-ui/core": "^3.0.1",
     "babel-polyfill": "^6.26.0",
     "cross-fetch": "^2.2.2",
     "js-cookie": "^2.2.0",
@@ -26,7 +27,6 @@
     "redux-thunk": "^2.3.0"
   },
   "devDependencies": {
-    "@material-ui/core": "^1.5.1",
     "@material-ui/icons": "^2.0.3",
     "babel-core": "^6.26.3",
     "babel-loader": "^7.1.5",