diff --git a/demo/index.ts b/demo/index.ts
index 8764e25f31..78c32231f9 100644
--- a/demo/index.ts
+++ b/demo/index.ts
@@ -1,7 +1,7 @@
 // tslint:disable:no-console
-import * as fs from "fs";
-import * as prompt from "prompt";
-import * as shelljs from "shelljs";
+import fs from "fs";
+import prompt from "prompt";
+import shelljs from "shelljs";
 
 console.log("What demo do you wish to run? (Enter a number)");
 
@@ -17,8 +17,8 @@ const schema = {
 
 prompt.start();
 
-prompt.get(schema, (_, result) => {
-    const demoNumber = result.number;
+prompt.get(schema as any, (_, result) => {
+    const demoNumber = result.number as string;
     const files = fs.readdirSync("./demo").filter((fn) => fn.startsWith(demoNumber));
 
     if (files.length === 0) {
diff --git a/package-lock.json b/package-lock.json
index 186195cc0c..5c27915b4a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -649,6 +649,16 @@
       "resolved": "https://registry.npmjs.org/@types/node/-/node-16.10.1.tgz",
       "integrity": "sha512-4/Z9DMPKFexZj/Gn3LylFgamNKHm4K3QDi0gz9B26Uk0c8izYf97B5fxfpspMNkWlFupblKM/nV8+NA9Ffvr+w=="
     },
+    "@types/prompt": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@types/prompt/-/prompt-1.1.1.tgz",
+      "integrity": "sha512-Ht3nSZy87jqKM5Y92GWKD6RQTqQIi6tAKhrWgEvFPh+P13L5olqBYs+P1HySBYRHyIezEqrB3StK4X7lBFmIEQ==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*",
+        "@types/revalidator": "*"
+      }
+    },
     "@types/request": {
       "version": "2.48.6",
       "resolved": "https://registry.npmjs.org/@types/request/-/request-2.48.6.tgz",
@@ -684,6 +694,22 @@
         "@types/request": "*"
       }
     },
+    "@types/revalidator": {
+      "version": "0.3.8",
+      "resolved": "https://registry.npmjs.org/@types/revalidator/-/revalidator-0.3.8.tgz",
+      "integrity": "sha512-q6KSi3PklLGQ0CesZ/XuLwly4DXXlnJuucYOG9lrBqrP8rKiuPZThav2h2+pFjaheNpnT0qKK3i304QWIePeJw==",
+      "dev": true
+    },
+    "@types/shelljs": {
+      "version": "0.8.9",
+      "resolved": "https://registry.npmjs.org/@types/shelljs/-/shelljs-0.8.9.tgz",
+      "integrity": "sha512-flVe1dvlrCyQJN/SGrnBxqHG+RzXrVKsmjD8WS/qYHpq5UPjfq7UWFBENP0ZuOl0g6OpAlL6iBoLSvKYUUmyQw==",
+      "dev": true,
+      "requires": {
+        "@types/glob": "*",
+        "@types/node": "*"
+      }
+    },
     "@types/sinon": {
       "version": "10.0.4",
       "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-10.0.4.tgz",
diff --git a/package.json b/package.json
index 445240e0d5..01d01656f0 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,9 @@
     "@types/chai": "^4.2.15",
     "@types/glob": "^7.1.4",
     "@types/mocha": "^9.0.0",
+    "@types/prompt": "^1.1.1",
     "@types/request-promise": "^4.1.42",
+    "@types/shelljs": "^0.8.9",
     "@types/sinon": "^10.0.0",
     "@types/unzipper": "^0.10.4",
     "@types/webpack": "^5.0.0",