diff --git a/frontend/package.json b/frontend/package.json
index aaa5e1c0..f027f35a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -93,6 +93,7 @@
     "not op_mini all"
   ],
   "devDependencies": {
+    "prettier": "2.4.1",
     "promise-window": "^1.2.1"
   }
 }