diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8a3d5f5a..0cf22783 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ cmake_minimum_required(VERSION 3.16)
 # also find the version number here. generate_auto_job also reads the
 # version from here.
 project(qpdf
-  VERSION 11.9.0
+  VERSION 11.9.1
   LANGUAGES C CXX)
 
 # Enable correct rpath handling for MacOSX
diff --git a/include/qpdf/DLL.h b/include/qpdf/DLL.h
index 3264ae27..0a62397a 100644
--- a/include/qpdf/DLL.h
+++ b/include/qpdf/DLL.h
@@ -26,12 +26,12 @@
 /* The first version of qpdf to include the version constants is 10.6.0. */
 #define QPDF_MAJOR_VERSION 11
 #define QPDF_MINOR_VERSION 9
-#define QPDF_PATCH_VERSION 0
+#define QPDF_PATCH_VERSION 1
 
 #ifdef QPDF_FUTURE
-# define QPDF_VERSION "11.9.0+future"
+# define QPDF_VERSION "11.9.1+future"
 #else
-# define QPDF_VERSION "11.9.0"
+# define QPDF_VERSION "11.9.1"
 #endif
 
 /*
diff --git a/job.sums b/job.sums
index c6f85c7c..e7dc1d2a 100644
--- a/job.sums
+++ b/job.sums
@@ -1,5 +1,5 @@
 # Generated by generate_auto_job
-CMakeLists.txt 9bfd82a7d225b88760ff5af211f9af35a0d9fcdd40fa15fdf7fc820944c2d5f9
+CMakeLists.txt c5b2ffd638603cdd5bf3a20d6a85dd73e7ee1c765333498cbdd5b35a1c6b13a5
 generate_auto_job f64733b79dcee5a0e3e8ccc6976448e8ddf0e8b6529987a66a7d3ab2ebc10a86
 include/qpdf/auto_job_c_att.hh 4c2b171ea00531db54720bf49a43f8b34481586ae7fb6cbf225099ee42bc5bb4
 include/qpdf/auto_job_c_copy_att.hh 50609012bff14fd82f0649185940d617d05d530cdc522185c7f3920a561ccb42
@@ -16,5 +16,5 @@ libqpdf/qpdf/auto_job_json_init.hh a87256c082427ec0318223762472970b2eced535c0c8b
 libqpdf/qpdf/auto_job_schema.hh 5dac568dff39614e161a0af59a0f328f1e28edf69b96f08bb76fd592d51bb053
 manual/_ext/qpdf.py 6add6321666031d55ed4aedf7c00e5662bba856dfcd66ccb526563bffefbb580
 manual/cli.rst 94057baba9ecffb4ce19ae61c8fa507ef07209c280fccae97b283c3dfce834e0
-manual/qpdf.1 63d6ca1f7c41cfec3f82bc17aa4f40218635ad32a5a171d02bca62e1ddae45dd
+manual/qpdf.1 ca99f78bbe7a11d65545a7539c1454742de95967dfcec11e71e29020e9ee562e
 manual/qpdf.1.in 436ecc85d45c4c9e2dbd1725fb7f0177fb627179469f114561adf3cb6cbb677b
diff --git a/manual/qpdf.1 b/manual/qpdf.1
index d0b2d05e..b0781107 100644
--- a/manual/qpdf.1
+++ b/manual/qpdf.1
@@ -3,7 +3,7 @@
 .\" Edits will be automatically overwritten if the build is
 .\" run in maintainer mode.
 .\"
-.TH QPDF "1" "" "qpdf version 11.9.0" "User Commands"
+.TH QPDF "1" "" "qpdf version 11.9.1" "User Commands"
 .SH NAME
 qpdf \- PDF transformation software
 .SH SYNOPSIS