diff --git a/ChangeLog b/ChangeLog
index 5b02faaa..f93c765e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2025-07-10  Akira Hayakawa  <ruby.wktk@gmail.com>
+
+	* v2.2.19
+	* Fix build error with 6.12 kernel
+	* Refactor
+	* Update copyright year
+
 2024-11-12  Akira Hayakawa  <ruby.wktk@gmail.com>
 
 	* v2.2.18
diff --git a/Makefile b/Makefile
index 214b2639..55fa92c8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-MODULE_VERSION ?= 2.2.18
+MODULE_VERSION ?= 2.2.19
 DKMS_DIR := /usr/src/dm-writeboost-$(MODULE_VERSION)
 DKMS_KEY := -m dm-writeboost -v $(MODULE_VERSION)
 
diff --git a/README.md b/README.md
index 7e2ce565..3efbd57e 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ Awarded by Japanese OSS Encouragement Award. Thanks!
 
 ## License
 ```
-Copyright (C) 2012-2024 Akira Hayakawa <ruby.wktk@gmail.com>
+Copyright (C) 2012-2025 Akira Hayakawa <ruby.wktk@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/src/dkms.conf b/src/dkms.conf
index 741fc9ed..3c953704 100644
--- a/src/dkms.conf
+++ b/src/dkms.conf
@@ -1,5 +1,5 @@
 PACKAGE_NAME="dm-writeboost"
-PACKAGE_VERSION="2.2.18"
+PACKAGE_VERSION="2.2.19"
 
 # dm-writeboost builds on top of dm features introduced in Linux 3.9
 BUILD_EXCLUSIVE_KERNEL_MIN="3.9"
diff --git a/src/dm-writeboost-daemon.c b/src/dm-writeboost-daemon.c
index fe7d8c52..32082c30 100644
--- a/src/dm-writeboost-daemon.c
+++ b/src/dm-writeboost-daemon.c
@@ -1,6 +1,6 @@
 /*
  * This file is part of dm-writeboost
- * Copyright (C) 2012-2024 Akira Hayakawa <ruby.wktk@gmail.com>
+ * Copyright (C) 2012-2025 Akira Hayakawa <ruby.wktk@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/dm-writeboost-daemon.h b/src/dm-writeboost-daemon.h
index 4f3d6aed..dc4529b7 100644
--- a/src/dm-writeboost-daemon.h
+++ b/src/dm-writeboost-daemon.h
@@ -1,6 +1,6 @@
 /*
  * This file is part of dm-writeboost
- * Copyright (C) 2012-2024 Akira Hayakawa <ruby.wktk@gmail.com>
+ * Copyright (C) 2012-2025 Akira Hayakawa <ruby.wktk@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/dm-writeboost-metadata.c b/src/dm-writeboost-metadata.c
index ee0f0765..a7d53dfa 100644
--- a/src/dm-writeboost-metadata.c
+++ b/src/dm-writeboost-metadata.c
@@ -1,6 +1,6 @@
 /*
  * This file is part of dm-writeboost
- * Copyright (C) 2012-2024 Akira Hayakawa <ruby.wktk@gmail.com>
+ * Copyright (C) 2012-2025 Akira Hayakawa <ruby.wktk@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/dm-writeboost-metadata.h b/src/dm-writeboost-metadata.h
index 8377e4d7..52615f2c 100644
--- a/src/dm-writeboost-metadata.h
+++ b/src/dm-writeboost-metadata.h
@@ -1,6 +1,6 @@
 /*
  * This file is part of dm-writeboost
- * Copyright (C) 2012-2024 Akira Hayakawa <ruby.wktk@gmail.com>
+ * Copyright (C) 2012-2025 Akira Hayakawa <ruby.wktk@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/dm-writeboost-target.c b/src/dm-writeboost-target.c
index bcdfa037..d924525c 100644
--- a/src/dm-writeboost-target.c
+++ b/src/dm-writeboost-target.c
@@ -3,7 +3,7 @@
  * Log-structured Caching for Linux
  *
  * This file is part of dm-writeboost
- * Copyright (C) 2012-2024 Akira Hayakawa <ruby.wktk@gmail.com>
+ * Copyright (C) 2012-2025 Akira Hayakawa <ruby.wktk@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -1990,7 +1990,7 @@ static void writeboost_status(struct dm_target *ti, status_type_t type,
 
 static struct target_type writeboost_target = {
 	.name = "writeboost",
-	.version = {2, 2, 18},
+	.version = {2, 2, 19},
 	.module = THIS_MODULE,
 	.map = writeboost_map,
 	.end_io = writeboost_end_io,
diff --git a/src/dm-writeboost.h b/src/dm-writeboost.h
index 3c2e2cbf..75f2b212 100644
--- a/src/dm-writeboost.h
+++ b/src/dm-writeboost.h
@@ -1,6 +1,6 @@
 /*
  * This file is part of dm-writeboost
- * Copyright (C) 2012-2024 Akira Hayakawa <ruby.wktk@gmail.com>
+ * Copyright (C) 2012-2025 Akira Hayakawa <ruby.wktk@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by