diff --git a/configure.ac b/configure.ac
index e09591d..c8fdb82 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 # ibus-anthy - The Anthy engine for IBus
 #
 # Copyright (c) 2007-2008 Peng Huang <shawn.p.huang@gmail.com>
-# Copyright (c) 2010-2023 Takao Fujiwara <takao.fujiwara1@gmail.com>
+# Copyright (c) 2010-2024 Takao Fujiwara <takao.fujiwara1@gmail.com>
 # Copyright (c) 2007-2021 Red Hat, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -24,7 +24,7 @@ dnl - if not 1, append datestamp to the version number.
 m4_define([ibus_anthy_released], [1])
 m4_define([ibus_anthy_major_version], [1])
 m4_define([ibus_anthy_minor_version], [5])
-m4_define([ibus_anthy_micro_version], [15])
+m4_define([ibus_anthy_micro_version], [16])
 m4_define([ibus_abi_current], [5])
 m4_define([ibus_abi_revision],
           [m4_eval(100 * ibus_anthy_minor_version + ibus_anthy_micro_version)])