diff --git a/django-stubs/contrib/auth/base_user.pyi b/django-stubs/contrib/auth/base_user.pyi
index 22aa17e81..e3404e6c5 100644
--- a/django-stubs/contrib/auth/base_user.pyi
+++ b/django-stubs/contrib/auth/base_user.pyi
@@ -14,7 +14,7 @@ class BaseUserManager(models.Manager[_T]):
     def get_by_natural_key(self, username: str | None) -> _T: ...
 
 class AbstractBaseUser(models.Model):
-    REQUIRED_FIELDS: list[str]
+    REQUIRED_FIELDS: ClassVar[list[str]]
 
     password = models.CharField(max_length=128)
     last_login = models.DateTimeField(blank=True, null=True)