diff --git a/Changelog b/Changelog
index e470feb..8fc3b1a 100644
--- a/Changelog
+++ b/Changelog
@@ -1,4 +1,7 @@
-- make `logfile` a dynamic option
+0.18                                                    (20230609)
+
+- add tail_missing option to monitor log files which do not exist yet
+- make logfile a dynamic option
 
 0.17                                                    (20171019)
 
diff --git a/LICENSE b/LICENSE
index d6ded02..236560a 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-tenshi 0.17
+tenshi 0.18
 Copyright (c) Andrea Barisani <andrea@inversepath.com>
 
 Permission to use, copy, modify, and distribute this software for any
diff --git a/Makefile b/Makefile
index 7c3ca08..78d1d8f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # Noddy Makefile for dist
 # $Id$
 
-VERSION = 0.17
+VERSION = 0.18
 
 bindir = /usr/sbin
 sysconfdir = /etc
diff --git a/README.md b/README.md
index 41cf466..2e4837d 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 tenshi
 ======
 
-tenshi 0.17 README
+tenshi 0.18 README
 Copyright (c) Andrea Barisani <andrea@inversepath.com>
 
 Introduction
diff --git a/tenshi b/tenshi
index 22754b9..ae80d58 100755
--- a/tenshi
+++ b/tenshi
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 #
-# tenshi 0.17 2017/10/19
+# tenshi 0.18 2017/10/19
 # Copyright (c) Andrea Barisani <andrea@inversepath.com>
 #
 # Permission to use, copy, modify, and distribute this software for any
@@ -31,7 +31,7 @@ setlocale(LC_TIME, "C");
 File::Temp->safe_level(File::Temp::HIGH);
 $Term::ANSIColor::AUTORESET = 1;
 
-my $version = '0.17';
+my $version = '0.18';
 
 my %opts;
 GetOptions('configuration=s' => \$opts{'c'}, 'Check'      => \$opts{'C'},