diff --git a/frontend/package.json b/frontend/package.json
index d6e5897..6cb41c8 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -4,21 +4,24 @@
 	"private": true,
 	"proxy": "http://localhost:5000",
 	"dependencies": {
-		"@material-ui/core": "^4.11.3",
-		"@material-ui/icons": "^4.11.2",
-		"@testing-library/jest-dom": "^5.11.4",
-		"@testing-library/react": "^11.1.0",
-		"@testing-library/user-event": "^12.1.10",
-		"add": "^2.0.6",
-		"peerjs": "^1.3.1",
-		"react": "^17.0.1",
-		"react-copy-to-clipboard": "^5.0.3",
-		"react-dom": "^17.0.1",
-		"react-scripts": "4.0.3",
-		"simple-peer": "^9.9.3",
-		"socket.io-client": "^3.1.1",
-		"web-vitals": "^1.0.1",
-		"yarn": "^1.22.10"
+		"@material-ui/core": "4.11.3",
+		"@material-ui/icons": "4.11.2",
+		"@testing-library/jest-dom": "5.11.4",
+		"@testing-library/react": "11.1.0",
+		"@testing-library/user-event": "12.1.10",
+		"add": "2.0.6",
+		"peerjs": "1.3.1",
+		"react": "17.0.1",
+		"react-copy-to-clipboard": "5.0.3",
+		"react-dom": "17.0.1",
+		"react-scripts": "5.0.1",
+		"simple-peer": "9.9.3",
+		"socket.io-client": "3.1.1",
+		"web-vitals": "1.0.1",
+		"yarn": "1.22.10"
+	},
+	"devDependencies": {
+		"typescript":"3.2.1"
 	},
 	"scripts": {
 		"start": "react-scripts start",