diff --git a/asdf.lisp b/asdf.lisp
index 04451d9eaf9ed722d41c489aa55f51ec7664214e..60e950c9a186181e9adab19a539efb0e4cb9b386 100644
--- a/asdf.lisp
+++ b/asdf.lisp
@@ -251,7 +251,7 @@
   ;; This parameter isn't actually user-visible
   ;; -- please use the exported function ASDF:ASDF-VERSION below.
   ;; the 1+ hair is to ensure that we don't do an inadvertent find and replace
-  (subseq "VERSION:1.649" (1+ (length "VERSION"))))
+  (subseq "VERSION:1.650" (1+ (length "VERSION"))))
 
 (defun asdf-version ()
   "Exported interface to the version of ASDF currently installed. A string.