diff --git a/asdf.lisp b/asdf.lisp
index 07788befce837651b1c8a2475b65482c6e34f3f6..ccc11581722a581f3c7386423d94de1a04de9b1b 100644
--- a/asdf.lisp
+++ b/asdf.lisp
@@ -187,7 +187,7 @@
 ;;;;
 (defparameter *asdf-version*
   ;; the 1+ hair is to ensure that we don't do an inadvertent find and replace
-  (subseq "VERSION:1.606" (1+ (length "VERSION"))))
+  (subseq "VERSION:1.607" (1+ (length "VERSION"))))
 
 (defun asdf-version ()
   *asdf-version*)