diff --git a/django/contrib/auth/models.py b/django/contrib/auth/models.py
index 1c21917a8c..98eb44ea05 100644
--- a/django/contrib/auth/models.py
+++ b/django/contrib/auth/models.py
@@ -25,7 +25,7 @@ def update_last_login(sender, user, **kwargs):
     the user logging in.
     """
     user.last_login = timezone.now()
-    user.save()
+    user.save(update_fields=['last_login'])
 user_logged_in.connect(update_last_login)