diff --git a/asdf.asd b/asdf.asd
index 91f5da0d7cd517bbc159f30ef1cec1322cfe17de..08473ffec8881ad9a252fb2d6357cdb9b4688298 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 "3.1.0.25" ;; to be automatically updated by make bump-version
+  :version "3.1.0.26" ;; 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 263f79e20304799d883798566172572c46101b04..d8ab4c9629db5a63c671d534164df97d1b1fd403 100644
--- a/header.lisp
+++ b/header.lisp
@@ -1,5 +1,5 @@
 ;;; -*- mode: Common-Lisp; Base: 10 ; Syntax: ANSI-Common-Lisp -*-
-;;; This is ASDF 3.1.0.25: Another System Definition Facility.
+;;; This is ASDF 3.1.0.26: 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 3b7d9044d7b45aa5b7b3f96158be37140d52d9c0..d624aea083341c17f895d8daf7cbe6a8b31636eb 100644
--- a/upgrade.lisp
+++ b/upgrade.lisp
@@ -64,7 +64,7 @@ You can compare this string with e.g.: (ASDF:VERSION-SATISFIES (ASDF:ASDF-VERSIO
          ;; "3.4.5.67" would be a development version in the official upstream 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 "3.1.0.25")
+         (asdf-version "3.1.0.26")
          (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 d416594a28fda9dea4dfb18a0b829b502e4c5b70..9eecbdf4390fa19fa4ecd764403ced2057c03192 100644
--- a/version.lisp-expr
+++ b/version.lisp-expr
@@ -1,2 +1,2 @@
-"3.1.0.25"
+"3.1.0.26"