diff --git a/ChangeLog b/ChangeLog
index 6b5a7cdf..b4dd7c04 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-11-17  Jay Berkenbilt  <ejb@ql.org>
+
+	* 9.1.0: release
+
 2019-11-09  Jay Berkenbilt  <ejb@ql.org>
 
 	* 9.1.rc1: release
diff --git a/autofiles.sums b/autofiles.sums
index 98f12ef2..0103b12b 100644
--- a/autofiles.sums
+++ b/autofiles.sums
@@ -1,4 +1,4 @@
-71526b27e4150762173b05f34b757cfde83c249d4573a6095e5a20ad07fe9564  configure.ac
+8c3e1ef9d80ed78ff16bb0b456f87cd1fae638b799b6cfed9c7656b9000933c1  configure.ac
 d3f9ee6f6f0846888d9a10fd3dad2e4b1258be84205426cf04d7cef02d61dad7  aclocal.m4
 2e4cd495837be1b8454a4d8aef541b000988634be89d9c05a9cf5de67dffef5e  libqpdf/qpdf/qpdf-config.h.in
 5297971a0ef90bcd5563eb3f7127a032bb76d3ae2af7258bf13479caf8983a60  m4/ax_cxx_compile_stdcxx.m4
diff --git a/configure b/configure
index 49ae5719..540e831f 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 9.1.rc1.
+# Generated by GNU Autoconf 2.69 for qpdf 9.1.0.
 #
 #
 # 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='9.1.rc1'
-PACKAGE_STRING='qpdf 9.1.rc1'
+PACKAGE_VERSION='9.1.0'
+PACKAGE_STRING='qpdf 9.1.0'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1370,7 +1370,7 @@ 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 9.1.rc1 to adapt to many kinds of systems.
+\`configure' configures qpdf 9.1.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1436,7 +1436,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of qpdf 9.1.rc1:";;
+     short | recursive ) echo "Configuration of qpdf 9.1.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1616,7 +1616,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-qpdf configure 9.1.rc1
+qpdf configure 9.1.0
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2285,7 +2285,7 @@ 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 9.1.rc1, which was
+It was created by qpdf $as_me 9.1.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -18741,7 +18741,7 @@ cat >>$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 9.1.rc1, which was
+This file was extended by qpdf $as_me 9.1.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -18807,7 +18807,7 @@ _ACEOF
 cat >>$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 9.1.rc1
+qpdf config.status 9.1.0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 4ecec891..5d1cb746 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],[9.1.rc1])
+AC_INIT([qpdf],[9.1.0])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_FILES([autoconf.mk])
diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc
index 9e226dfa..e0644ed1 100644
--- a/libqpdf/QPDF.cc
+++ b/libqpdf/QPDF.cc
@@ -24,7 +24,7 @@
 #include <qpdf/QPDF_Stream.hh>
 #include <qpdf/QPDF_Array.hh>
 
-std::string QPDF::qpdf_version = "9.1.rc1";
+std::string QPDF::qpdf_version = "9.1.0";
 
 static char const* EMPTY_PDF =
     "%PDF-1.3\n"
diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
index fbbb6a4b..fe4d20c1 100644
--- a/manual/qpdf-manual.xml
+++ b/manual/qpdf-manual.xml
@@ -5,8 +5,8 @@
 <!ENTITY mdash "&#x2014;">
 <!ENTITY ndash "&#x2013;">
 <!ENTITY nbsp "&#xA0;">
-<!ENTITY swversion "9.1.rc1">
-<!ENTITY lastreleased "November 9, 2019">
+<!ENTITY swversion "9.1.0">
+<!ENTITY lastreleased "November 17, 2019">
 ]>
 <book>
  <bookinfo>
@@ -4625,7 +4625,7 @@ print "\n";
   </para>
   <variablelist>
    <varlistentry>
-    <term>9.1.rc1: November 9, 2019</term>
+    <term>9.1.0: November 17, 2019</term>
     <listitem>
      <itemizedlist>
       <listitem>
diff --git a/qpdf/qpdf.cc b/qpdf/qpdf.cc
index 923aaa4c..ea17e93c 100644
--- a/qpdf/qpdf.cc
+++ b/qpdf/qpdf.cc
@@ -34,7 +34,7 @@ static int const EXIT_WARNING = 3;
 
 static char const* whoami = 0;
 
-static std::string expected_version = "9.1.rc1";
+static std::string expected_version = "9.1.0";
 
 struct PageSpec
 {