diff --git a/asdf.asd b/asdf.asd
index 9fdfc65c63f64db11017932d0a1c68860200efa3..6e39c5d4044a512746328e7b22f9aef54b1fcd8e 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 "3.1.6.14" ;; to be automatically updated by make bump-version
+  :version "3.1.6.15" ;; to be automatically updated by make bump-version
   :depends-on ()
   #+asdf3 :encoding #+asdf3 :utf-8
   :class #+asdf3.1 package-inferred-system #-asdf3.1 system
diff --git a/doc/asdf.texinfo b/doc/asdf.texinfo
index 3382d8f83e8baad7718a40595be3b0c40b01cf02..3bf451a5fbfc313e9d5a607969e53baebb36dcbc 100644
--- a/doc/asdf.texinfo
+++ b/doc/asdf.texinfo
@@ -65,7 +65,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 @titlepage
 @title ASDF: Another System Definition Facility
-@subtitle Manual for Version 3.1.6.14
+@subtitle Manual for Version 3.1.6.15
 @c The following two commands start the copyright page.
 @page
 @vskip 0pt plus 1filll
diff --git a/header.lisp b/header.lisp
index f509aee6b83a6af1d04a69adfda076eca6a4d087..5b360945f1461b5302f70cfd72d2809f87873f52 100644
--- a/header.lisp
+++ b/header.lisp
@@ -1,5 +1,5 @@
 ;;; -*- mode: Lisp; Base: 10 ; Syntax: ANSI-Common-Lisp ; buffer-read-only: t; -*-
-;;; This is ASDF 3.1.6.14: Another System Definition Facility.
+;;; This is ASDF 3.1.6.15: Another System Definition Facility.
 ;;;
 ;;; Feedback, bug reports, and patches are all welcome:
 ;;; please mail to <asdf-devel@common-lisp.net>.
diff --git a/uiop/version.lisp-expr b/uiop/version.lisp-expr
index 0ac72c313121983b0e9fa084451fc24917905fc7..eb61bea4d9e0d524ce727af40576629571bb900c 100644
--- a/uiop/version.lisp-expr
+++ b/uiop/version.lisp-expr
@@ -1,2 +1,2 @@
-"3.1.6.14"
+"3.1.6.15"
 
diff --git a/upgrade.lisp b/upgrade.lisp
index 9bf68e073ebd8f8186c1147ef6bc74978db930c2..a82259de562a8c3dc55f22b6d4161544a67e42a6 100644
--- a/upgrade.lisp
+++ b/upgrade.lisp
@@ -76,7 +76,7 @@ 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 "3.1.6.13")
+         (asdf-version "3.1.6.15")
          (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 0ac72c313121983b0e9fa084451fc24917905fc7..eb61bea4d9e0d524ce727af40576629571bb900c 100644
--- a/version.lisp-expr
+++ b/version.lisp-expr
@@ -1,2 +1,2 @@
-"3.1.6.14"
+"3.1.6.15"