diff --git a/configure b/configure
index c389175a..6b91d68d 100755
--- a/configure
+++ b/configure
@@ -51,7 +51,7 @@ exec ${GUILE} --no-auto-compile -L $(pwd) -e '(@@ (configure) main)' -s "$0" ${1
 
 (define *shell* "sh")
 (define PACKAGE "mes")
-(define VERSION "0.0")
+(define VERSION "0.1")
 (define PREFIX "/usr/local")
 (define GUILE_EV (effective-version))
 (define CC (or (getenv "CC") "gcc"))
diff --git a/mes.c b/mes.c
index b08a6e0c..6a02694c 100644
--- a/mes.c
+++ b/mes.c
@@ -1036,7 +1036,7 @@ int
 main (int argc, char *argv[])
 {
   if (argc > 1 && !strcmp (argv[1], "--help")) return puts ("Usage: mes < FILE\n");
-  if (argc > 1 && !strcmp (argv[1], "--version")) return puts ("Mes 0.0\n");
+  if (argc > 1 && !strcmp (argv[1], "--version")) return puts ("Mes 0.1\n");
   scm *a = mes_environment ();
   display_ (stderr, begin (read_file (read_env (a), a), a));
   fputs ("", stderr);
diff --git a/module/mes/repl.mes b/module/mes/repl.mes
index 1ee01153..5f705e6f 100644
--- a/module/mes/repl.mes
+++ b/module/mes/repl.mes
@@ -25,7 +25,7 @@
 ;;; Code:
 
 (define welcome
-  "Mes 0.0
+  "Mes 0.1
 Copyright (C) 2016 Jan Nieuwenhuizen <janneke@gnu.org>
 
 Mes comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.