diff --git a/app/package.json b/app/package.json
index bb3611c..0e9154d 100644
--- a/app/package.json
+++ b/app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webssh2",
-  "version": "0.3.1",
+  "version": "0.4.0-testing-0",
   "ignore": [
     ".gitignore"
   ],
@@ -65,9 +65,12 @@
     "css-loader": "^5.2.4",
     "eslint": "^7.26.0",
     "eslint-config-airbnb-base": "^14.2.1",
+    "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-prettier": "^3.4.0",
     "mini-css-extract-plugin": "^1.6.0",
     "nodaemon": "0.0.5",
+    "prettier": "^2.3.0",
     "snazzy": "^9.0.0",
     "socket.io-client": "^4.1.1",
     "standard-version": "^9.3.0",