diff --git a/schema.sql b/schema.sql
index bd2532c..bf82893 100644
--- a/schema.sql
+++ b/schema.sql
@@ -5,6 +5,6 @@ DROP TABLE IF EXISTS users;
 
 CREATE TABLE users (
     id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
-    name TEXT NOT NULL,
+    name TEXT NOT NULL UNIQUE,
     password TEXT NOT NULL
 );