diff --git a/src/ohmyapi/builtin/auth/models.py b/src/ohmyapi/builtin/auth/models.py
index 3ca46ce..1438a93 100644
--- a/src/ohmyapi/builtin/auth/models.py
+++ b/src/ohmyapi/builtin/auth/models.py
@@ -13,6 +13,7 @@ class Group(Model):
 
 class User(Model):
     id = field.IntField(pk=True)
+    email = CharField(unique=True, index=True)
     username = field.CharField(max_length=150, unique=True)
     password_hash = field.CharField(max_length=128)
     is_admin = field.BooleanField(default=False)