diff --git a/asdf.asd b/asdf.asd
index ae3b6ae12eef3f52fade208431a1e01403f6a2c0..e77614d6ce24f110f6171704ffbcad6e8c24966d 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 "3.1.0.56" ;; to be automatically updated by make bump-version
+  :version "3.1.0.57" ;; 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 fe1e3375e30336ba881fd7ba06fc028f241d504c..a219d09b003934876e2b756bef9893ed7efb1d82 100644
--- a/header.lisp
+++ b/header.lisp
@@ -1,5 +1,5 @@
 ;;; -*- mode: Common-Lisp; Base: 10 ; Syntax: ANSI-Common-Lisp -*-
-;;; This is ASDF 3.1.0.56: Another System Definition Facility.
+;;; This is ASDF 3.1.0.57: 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 7b36f1b8e5227dd3ab1a09de8eaa1711bfdfe5df..8cfe170fb90a0751b1f60d9f045163ececbb3467 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 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 "3.1.0.56")
+         (asdf-version "3.1.0.57")
          (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 6cf08eed9633fac31b1849368ed7679689cbb9c4..33c622e561ee712ee02120f624336b2a2ccd79a8 100644
--- a/version.lisp-expr
+++ b/version.lisp-expr
@@ -1,2 +1,2 @@
-"3.1.0.56"
+"3.1.0.57"