diff --git a/package.json b/package.json
index cf01b82..cc5bc30 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "private": true,
   "dependencies": {
     "@blockly/block-plus-minus": "^3.0.5",
+    "@blockly/field-grid-dropdown": "^1.0.31",
     "@blockly/field-slider": "^3.0.5",
     "@blockly/plugin-scroll-options": "^2.0.5",
     "@blockly/plugin-typed-variable-modal": "^4.0.5",
diff --git a/src/App.js b/src/App.js
index f4aad55..1ca2aba 100644
--- a/src/App.js
+++ b/src/App.js
@@ -9,11 +9,11 @@ import { loadUser } from "./actions/authActions";
 
 import "./App.css";
 
-import { ThemeProvider, createTheme } from "@material-ui/core/styles";
+import { ThemeProvider, createMuiTheme } from "@material-ui/core/styles";
 
 import Content from "./components/Content";
 
-const theme = createTheme({
+const theme = createMuiTheme({
   palette: {
     primary: {
       main: "#4EAF47",