diff --git a/asdf.asd b/asdf.asd
index bda9389edd5fc7595593aab75d8b6c31244a02f2..8d19f45d12191d8b0ebc097107ea35a018d60576 100644
--- a/asdf.asd
+++ b/asdf.asd
@@ -84,7 +84,7 @@
   :licence "MIT"
   :description "Another System Definition Facility"
   :long-description "ASDF builds Common Lisp software organized into defined systems."
-  :version "3.3.1.5" ;; to be automatically updated by make bump-version
+  :version "3.3.1.6" ;; 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 8eaa35eeb2d766a8b3db409416be10c1e97c2a43..1cc51b7b22a81a88d450ac27f43d57b1b1de3a7e 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 3.3.1.5
+@subtitle Manual for Version 3.3.1.6
 @c The following two commands start the copyright page.
 @page
 @vskip 0pt plus 1filll
@@ -82,7 +82,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 @node Top, Introduction, (dir), (dir)
 @top ASDF: Another System Definition Facility
 @ifnottex
-Manual for Version 3.3.1.5
+Manual for Version 3.3.1.6
 @end ifnottex
 
 
diff --git a/header.lisp b/header.lisp
index 1a62537b3bd29b4297c9d06f59d148f8f2824ff0..fc2d21f85b654e5ed2b699435911d333100a7ed6 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 3.3.1.5: Another System Definition Facility.
+;;; This is ASDF 3.3.1.6: 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 b/uiop/version.lisp
index 0f171589e6aac6492ea5a4a7b0cd801be46a3f4a..511f20982abbf1f95b3e31981ddd6fef96fc75e4 100644
--- a/uiop/version.lisp
+++ b/uiop/version.lisp
@@ -12,7 +12,7 @@
 (in-package :uiop/version)
 
 (with-upgradability ()
-  (defparameter *uiop-version* "3.3.1.5")
+  (defparameter *uiop-version* "3.3.1.6")
 
   (defun unparse-version (version-list)
     "From a parsed version (a list of natural numbers), compute the version string"
diff --git a/upgrade.lisp b/upgrade.lisp
index f5948201b49ec6dba0e41dc8c4a318df36ada670..ac40f086ddd03935fcbcc062a587d764e42c458e 100644
--- a/upgrade.lisp
+++ b/upgrade.lisp
@@ -94,7 +94,7 @@ 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 "3.3.1.5")
+         (asdf-version "3.3.1.6")
          (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 01689d9c28e14b5267924c786e146b74bc8a19a4..2e9817e2895b80c515ad3add0a1113bfa9c8750d 100644
--- a/version.lisp-expr
+++ b/version.lisp-expr
@@ -1,2 +1,2 @@
-"3.3.1.5"
+"3.3.1.6"