diff --git a/build-aux/GNUmakefile.in b/build-aux/GNUmakefile.in
index da48d36e..6805ccf2 100644
--- a/build-aux/GNUmakefile.in
+++ b/build-aux/GNUmakefile.in
@@ -370,14 +370,14 @@ GPG_KEY_ID:=1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273
 GEN_ANNOUNCE=$(GNULIB)/build-aux/announce-gen
 GNULIB=../../gnulib
 gen-announce:
-	$(GEN_ANNOUNCE)\
-	    --release-type=beta\
-	    --package-name=mes\
-	    --previous-version='0.22 '\
-            --current-version=$(VERSION)\
-	    --gpg-key-id=$(GPG_KEY_ID)\
-	    --url-directory=https://ftp.gnu.org/gnu/mes\
-	    --news=NEWS\
+	$(GEN_ANNOUNCE)					\
+	    --release-type=beta				\
+	    --package-name=mes				\
+	    --previous-version='0.23 '			\
+            --current-version=$(VERSION)		\
+	    --gpg-key-id=$(GPG_KEY_ID)			\
+	    --url-directory=https://ftp.gnu.org/gnu/mes	\
+	    --news=NEWS					\
             > doc/announce/ANNOUNCE-$(VERSION)
 
 sum-announce:
diff --git a/configure b/configure
index 3ad6cdb8..6ab8211d 100755
--- a/configure
+++ b/configure
@@ -37,7 +37,7 @@ MES_ARENA=100000000 exec ${SCHEME-guile} -L . --no-auto-compile -e '(configure)'
 (define PACKAGE "mes")
 (define PACKAGE-NAME "GNU Mes")
 (define PACKAGE-BUGREPORT "bug-mes@gnu.org")
-(define VERSION "0.23")
+(define VERSION "0.24")
 
 (cond-expand
  (guile)
diff --git a/configure.sh b/configure.sh
index 10be08a6..0e58f2cd 100755
--- a/configure.sh
+++ b/configure.sh
@@ -20,7 +20,7 @@
 
 set -e
 
-VERSION=0.23
+VERSION=0.24
 srcdir=${srcdir-$(dirname $0)}
 srcdest=
 if test "$srcdir" != "."; then
diff --git a/mes/module/mes/repl.mes b/mes/module/mes/repl.mes
index 4560d60b..86344919 100644
--- a/mes/module/mes/repl.mes
+++ b/mes/module/mes/repl.mes
@@ -1,7 +1,7 @@
 ;;; -*-scheme-*-
 
 ;;; GNU Mes --- Maxwell Equations of Software
-;;; Copyright © 2016,2017,2018,2019,2020,2021 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright © 2016,2017,2018,2019,2020,2021,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 ;;;
 ;;; This file is part of GNU Mes.
 ;;;
@@ -29,8 +29,9 @@
 
 (define welcome
   (string-append "GNU Mes " %version "
-Copyright (C) 2016,2017,2018,2019,2020,2021 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+Copyright (C) 2016,2017,2018,2019,2020,2021,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 Copyright (C) 2019,2020,2021 Danny Milosavljevic <dannym@scratchpost.org>
+and others.
 
 GNU Mes comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
 This program is free software, and you are welcome to redistribute it