diff --git a/package.json b/package.json
index 1ed8207..b7e2a4a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "patrician-api",
-  "version": "0.1.0",
+  "version": "0.2.0-canary.0",
   "description": "Patrician API",
   "license": "MIT",
   "author": "Patrician Team",
diff --git a/src/modules/user/user.model.ts b/src/modules/user/user.model.ts
index 0e7294c..6c88283 100644
--- a/src/modules/user/user.model.ts
+++ b/src/modules/user/user.model.ts
@@ -4,7 +4,7 @@ import { AccountSettings } from '../../interfaces/account-settings';
 
 @Model()
 export class User extends BaseModel {
-  @StringField()
+  @StringField({ unique: true })
   username!: string;
 
   @EmailField({ nullable: true })