diff --git a/configure b/configure
index 33f5d90227..4c71dca513 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for ImageMagick 6.9.12-19.
+# Generated by GNU Autoconf 2.69 for ImageMagick 6.9.12-20.
 #
 # Report bugs to <https://github.com/ImageMagick/ImageMagick/issues>.
 #
@@ -590,8 +590,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='ImageMagick'
 PACKAGE_TARNAME='ImageMagick'
-PACKAGE_VERSION='6.9.12-19'
-PACKAGE_STRING='ImageMagick 6.9.12-19'
+PACKAGE_VERSION='6.9.12-20'
+PACKAGE_STRING='ImageMagick 6.9.12-20'
 PACKAGE_BUGREPORT='https://github.com/ImageMagick/ImageMagick/issues'
 PACKAGE_URL='https://imagemagick.org'
 
@@ -1848,7 +1848,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures ImageMagick 6.9.12-19 to adapt to many kinds of systems.
+\`configure' configures ImageMagick 6.9.12-20 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1924,7 +1924,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of ImageMagick 6.9.12-19:";;
+     short | recursive ) echo "Configuration of ImageMagick 6.9.12-20:";;
    esac
   cat <<\_ACEOF
 
@@ -2216,7 +2216,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-ImageMagick configure 6.9.12-19
+ImageMagick configure 6.9.12-20
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -3267,7 +3267,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by ImageMagick $as_me 6.9.12-19, which was
+It was created by ImageMagick $as_me 6.9.12-20, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -4255,7 +4255,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='ImageMagick'
- VERSION='6.9.12-19'
+ VERSION='6.9.12-20'
 
 
 # Some tools Automake needs.
@@ -4548,11 +4548,11 @@ MAGICK_MINOR_VERSION=9
 
 MAGICK_MICRO_VERSION=12
 
-MAGICK_PATCHLEVEL_VERSION=19
+MAGICK_PATCHLEVEL_VERSION=20
 
-MAGICK_VERSION=6.9.12-19
+MAGICK_VERSION=6.9.12-20
 
-MAGICK_GIT_REVISION=16729:5b9a9dbbe:20210718
+MAGICK_GIT_REVISION=16732:e28afaa4e:20210718
 
 
 # Substitute library versioning
@@ -4574,13 +4574,13 @@ MAGICKPP_LIBRARY_VERSION_INFO=$MAGICKPP_LIBRARY_CURRENT:$MAGICKPP_LIBRARY_REVISI
 
 PACKAGE_BASE_VERSION=6.9.12
 
-PACKAGE_PATCHLEVEL_VERSION=19
+PACKAGE_PATCHLEVEL_VERSION=20
 
-PACKAGE_VERSION_ADDENDUM=-19
+PACKAGE_VERSION_ADDENDUM=-20
 
 PACKAGE_LIB_VERSION=0x69C
 
-PACKAGE_LIB_VERSION_NUMBER=6,9,12,19
+PACKAGE_LIB_VERSION_NUMBER=6,9,12,20
 
 PACKAGE_RELEASE_DATE=2021-07-18
 
@@ -36664,7 +36664,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by ImageMagick $as_me 6.9.12-19, which was
+This file was extended by ImageMagick $as_me 6.9.12-20, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -36731,7 +36731,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-ImageMagick config.status 6.9.12-19
+ImageMagick config.status 6.9.12-20
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/m4/version.m4 b/m4/version.m4
index 9a3203c4d6..e1c3da509a 100644
--- a/m4/version.m4
+++ b/m4/version.m4
@@ -27,7 +27,7 @@ m4_define([magick_name], [ImageMagick])
 m4_define([magick_major_version], [6])
 m4_define([magick_minor_version], [9])
 m4_define([magick_micro_version], [12])
-m4_define([magick_patchlevel_version], [19])
+m4_define([magick_patchlevel_version], [20])
 m4_define([magick_base_version],
           [magick_major_version.magick_minor_version.magick_micro_version])
 m4_define([magick_version],