diff --git a/ChangeLog b/ChangeLog
index ef55b347b562fc188671ed32ae5e18c1d298af1b..a6d6afb236088c7d667f422fd506bafc6d00ea15 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2023-05-26  Niels Möller  <nisse@lysator.liu.se>
+
+	* configure.ac: Bump package version, to 3.9.1.
+	(LIBNETTLE_MINOR): Bump minor number, to 8.8.
+	(LIBHOGWEED_MINOR): Bump minor number, to 6.8.
+
 2023-05-19  Niels Möller  <nisse@lysator.liu.se>
 
 	From Jussi Kivilinna:
diff --git a/configure.ac b/configure.ac
index 1466d74c29fd70dacf0de8fb0b5b9db036ed74b9..c8862f31b1488681e94a3b18e900855d3d8e3dd7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl -*- mode: shell-script; sh-indentation: 2; -*-
 
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([nettle], [3.9], [nettle-bugs@lists.lysator.liu.se])
+AC_INIT([nettle], [3.9.1], [nettle-bugs@lists.lysator.liu.se])
 AC_PREREQ(2.61)
 AC_CONFIG_SRCDIR([nettle-types.h])
 # Needed to stop autoconf from looking for files in parent directories.
@@ -11,10 +11,10 @@ AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_HEADER([config.h])
 
 LIBNETTLE_MAJOR=8
-LIBNETTLE_MINOR=7
+LIBNETTLE_MINOR=8
 
 LIBHOGWEED_MAJOR=6
-LIBHOGWEED_MINOR=7
+LIBHOGWEED_MINOR=8
 
 dnl Note double square brackets, for extra m4 quoting.
 MAJOR_VERSION=`echo $PACKAGE_VERSION | sed 's/^\([[^.]]*\)\..*/\1/'`