diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
index 469f4334b44..5fd3629e57d 100644
--- a/lisp/cus-edit.el
+++ b/lisp/cus-edit.el
@@ -1280,7 +1280,7 @@ Show the buffer in another window, but don't select it."
     (unless (eq symbol basevar)
       (message "`%s' is an alias for `%s'" symbol basevar))))
 
-(defvar customize-changed-options-previous-release "29.4"
+(defvar customize-changed-options-previous-release "30.1"
   "Version for `customize-changed' to refer back to by default.")
 
 ;; Packages will update this variable, so make it available.