diff --git a/asdf.asd b/asdf.asd
index 5d2260c9aea8d67dfa93c9c57f1cdf650fb4f3c2..dc09e4f43cebbce859a255658fbe574de98f0de3 100644
--- a/asdf.asd
+++ b/asdf.asd
@@ -75,7 +75,7 @@
   :licence "MIT"
   :description "Another System Definition Facility"
   :long-description "ASDF builds Common Lisp software organized into defined systems."
-  :version "3.1.0.103" ;; to be automatically updated by make bump-version
+  :version "3.1.0.104" ;; to be automatically updated by make bump-version
   :depends-on ()
   #+asdf3 :encoding #+asdf3 :utf-8
   :class #.(if (find-class 'package-system nil) 'package-system 'system)
diff --git a/header.lisp b/header.lisp
index c1f91c028991616cd3de8851c6e8ac6b16c61074..a044bae3fd270bb438b91fc0a6e8376dc5e50600 100644
--- a/header.lisp
+++ b/header.lisp
@@ -1,5 +1,5 @@
 ;;; -*- mode: Common-Lisp; Base: 10 ; Syntax: ANSI-Common-Lisp ; buffer-read-only: t; -*-
-;;; This is ASDF 3.1.0.103: Another System Definition Facility.
+;;; This is ASDF 3.1.0.104: Another System Definition Facility.
 ;;;
 ;;; Feedback, bug reports, and patches are all welcome:
 ;;; please mail to <asdf-devel@common-lisp.net>.
diff --git a/upgrade.lisp b/upgrade.lisp
index 8cae6297d0b3fbb7b935f1c255b9dd402ac835c6..98582490bb22851d664333021442494f4ba87c86 100644
--- a/upgrade.lisp
+++ b/upgrade.lisp
@@ -67,7 +67,7 @@ previously-loaded version of ASDF."
          ;; "3.4.5.67" would be a development version in the official branch, on top of 3.4.5.
          ;; "3.4.5.0.8" would be your eighth local modification of official release 3.4.5
          ;; "3.4.5.67.8" would be your eighth local modification of development version 3.4.5.67
-         (asdf-version "3.1.0.103")
+         (asdf-version "3.1.0.104")
          (existing-version (asdf-version)))
     (setf *asdf-version* asdf-version)
     (when (and existing-version (not (equal asdf-version existing-version)))
diff --git a/version.lisp-expr b/version.lisp-expr
index dbb6d457e2f3faa159514cc78ff57b6e0df619fe..25c9414ad9fe344d770e330f3bb191f67726d213 100644
--- a/version.lisp-expr
+++ b/version.lisp-expr
@@ -1,2 +1,2 @@
-"3.1.0.103"
+"3.1.0.104"