diff --git a/apps/backend/pb_migrations/1706833675_updated_users.js b/apps/backend/pb_migrations/1706833675_updated_users.js
new file mode 100644
index 0000000..17dd6b3
--- /dev/null
+++ b/apps/backend/pb_migrations/1706833675_updated_users.js
@@ -0,0 +1,33 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((db) => {
+  const dao = new Dao(db)
+  const collection = dao.findCollectionByNameOrId("_pb_users_auth_")
+
+  // add
+  collection.schema.addField(new SchemaField({
+    "system": false,
+    "id": "rncq13xn",
+    "name": "appearance_mode",
+    "type": "select",
+    "required": false,
+    "presentable": false,
+    "unique": false,
+    "options": {
+      "maxSelect": 1,
+      "values": [
+        "light",
+        "dark"
+      ]
+    }
+  }))
+
+  return dao.saveCollection(collection)
+}, (db) => {
+  const dao = new Dao(db)
+  const collection = dao.findCollectionByNameOrId("_pb_users_auth_")
+
+  // remove
+  collection.schema.removeField("rncq13xn")
+
+  return dao.saveCollection(collection)
+})
diff --git a/apps/backend/pb_migrations/1706834435_updated_users.js b/apps/backend/pb_migrations/1706834435_updated_users.js
new file mode 100644
index 0000000..f6eb82e
--- /dev/null
+++ b/apps/backend/pb_migrations/1706834435_updated_users.js
@@ -0,0 +1,49 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((db) => {
+  const dao = new Dao(db)
+  const collection = dao.findCollectionByNameOrId("_pb_users_auth_")
+
+  // update
+  collection.schema.addField(new SchemaField({
+    "system": false,
+    "id": "rncq13xn",
+    "name": "appearance_mode",
+    "type": "select",
+    "required": false,
+    "presentable": false,
+    "unique": false,
+    "options": {
+      "maxSelect": 1,
+      "values": [
+        "light",
+        "dark",
+        "system"
+      ]
+    }
+  }))
+
+  return dao.saveCollection(collection)
+}, (db) => {
+  const dao = new Dao(db)
+  const collection = dao.findCollectionByNameOrId("_pb_users_auth_")
+
+  // update
+  collection.schema.addField(new SchemaField({
+    "system": false,
+    "id": "rncq13xn",
+    "name": "appearance_mode",
+    "type": "select",
+    "required": false,
+    "presentable": false,
+    "unique": false,
+    "options": {
+      "maxSelect": 1,
+      "values": [
+        "light",
+        "dark"
+      ]
+    }
+  }))
+
+  return dao.saveCollection(collection)
+})