diff --git a/autofiles.sums b/autofiles.sums
index 05bf6701..c430c9e6 100644
--- a/autofiles.sums
+++ b/autofiles.sums
@@ -1,4 +1,4 @@
-f1a3a7bb38e1b94bf35670f2d91bc6e605b2313c099cff94ae36d6d141b1c01d  configure.ac
+74a0030f31be13c151ca4afed3fda6bf33c5ddb17bc891a146deca119bd3e7f0  configure.ac
 a45b129101efb46d7ac59ca2cf12d137a5742c2593ea11ebb32401aefd915b96  aclocal.m4
 c12d837479fa9a3fa4c278b6dc7d6b449503d663e0f0d294305595a51ff43f70  libqpdf/qpdf/qpdf-config.h.in
 5297971a0ef90bcd5563eb3f7127a032bb76d3ae2af7258bf13479caf8983a60  m4/ax_cxx_compile_stdcxx.m4
diff --git a/configure b/configure
index bab10f80..4aeb715a 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 qpdf 10.6.2.
+# Generated by GNU Autoconf 2.69 for qpdf 10.6.3.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -587,8 +587,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='qpdf'
 PACKAGE_TARNAME='qpdf'
-PACKAGE_VERSION='10.6.2'
-PACKAGE_STRING='qpdf 10.6.2'
+PACKAGE_VERSION='10.6.3'
+PACKAGE_STRING='qpdf 10.6.3'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1373,7 +1373,7 @@ 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 qpdf 10.6.2 to adapt to many kinds of systems.
+\`configure' configures qpdf 10.6.3 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1439,7 +1439,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of qpdf 10.6.2:";;
+     short | recursive ) echo "Configuration of qpdf 10.6.3:";;
    esac
   cat <<\_ACEOF
 
@@ -1626,7 +1626,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-qpdf configure 10.6.2
+qpdf configure 10.6.3
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2295,7 +2295,7 @@ 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 qpdf $as_me 10.6.2, which was
+It was created by qpdf $as_me 10.6.3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -16338,7 +16338,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 # LT = libtool
 LT_CURRENT=34
 LT_AGE=6
-LT_REVISION=2
+LT_REVISION=3
 
 
 
@@ -19261,7 +19261,7 @@ 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 qpdf $as_me 10.6.2, which was
+This file was extended by qpdf $as_me 10.6.3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -19327,7 +19327,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-qpdf config.status 10.6.2
+qpdf config.status 10.6.3
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 490dec81..c19256a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 dnl This config.in requires autoconf 2.5 or greater.
 
 AC_PREREQ([2.68])
-AC_INIT([qpdf],[10.6.2])
+AC_INIT([qpdf],[10.6.3])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_FILES([autoconf.mk])
@@ -64,7 +64,7 @@ LT_INIT([win32-dll])
 # LT = libtool
 LT_CURRENT=34
 LT_AGE=6
-LT_REVISION=2
+LT_REVISION=3
 AC_SUBST(LT_CURRENT)
 AC_SUBST(LT_REVISION)
 AC_SUBST(LT_AGE)
diff --git a/include/qpdf/DLL.h b/include/qpdf/DLL.h
index 70401a59..84632488 100644
--- a/include/qpdf/DLL.h
+++ b/include/qpdf/DLL.h
@@ -26,8 +26,8 @@
 /* The first version of qpdf to include the version constants is 10.6.0. */
 #define QPDF_MAJOR_VERSION 10
 #define QPDF_MINOR_VERSION 6
-#define QPDF_PATCH_VERSION 2
-#define QPDF_VERSION "10.6.2"
+#define QPDF_PATCH_VERSION 3
+#define QPDF_VERSION "10.6.3"
 
 #if (defined _WIN32 || defined __CYGWIN__) && defined(DLL_EXPORT)
 # define QPDF_DLL __declspec(dllexport)
diff --git a/manual/conf.py b/manual/conf.py
index 3dc67b92..20e950fa 100644
--- a/manual/conf.py
+++ b/manual/conf.py
@@ -16,7 +16,7 @@ project = 'QPDF'
 copyright = '2005-2022, Jay Berkenbilt'
 author = 'Jay Berkenbilt'
 # make_dist and the CI build lexically find the release version from this file.
-release = '10.6.2'
+release = '10.6.3'
 version = release
 extensions = [
     'sphinx_rtd_theme',