diff --git a/docs/ref/django-admin.txt b/docs/ref/django-admin.txt
index 412618f2f2..08fd50dbf3 100644
--- a/docs/ref/django-admin.txt
+++ b/docs/ref/django-admin.txt
@@ -1256,6 +1256,8 @@ clearsessions
 
 .. django-admin:: clearsessions
 
+.. versionadded:: 1.5
+
 Can be run as a cron job or directly to clean out expired sessions.
 
 ``django.contrib.sitemaps``