diff --git a/.golangci.yml b/.golangci.yml
index ccca15f..a0d17d0 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -8,7 +8,6 @@ issues:
 linters:
   disable-all: true
   enable:
-    - depguard
     - errcheck
     - exportloopref
     - gocritic
@@ -29,6 +28,7 @@ linters:
 
   # don't enable:
   #  - asciicheck
+  #  - depguard
   #  - dogsled
   #  - dupl
   #  - funlen
diff --git a/includes/README.md b/includes/README.md
index a3e570b..99c4aea 100644
--- a/includes/README.md
+++ b/includes/README.md
@@ -17,7 +17,7 @@ git remote add makefile https://github.com/sacloud/makefile.git
 #### 追加(初回のみ)
 
 ```bash
-git subtree add --prefix=includes --squash makefile v0.0.7
+git subtree add --prefix=includes --squash makefile v0.0.8
 ```
 
 利用する側のプロジェクトではMakefileを以下のように記述します。
@@ -41,12 +41,12 @@ tools: dev-tools # toolsゴールはsacloudプロダクト向け日次CIを行
 #### 更新
 
 ```bash
-git subtree pull --prefix=includes --squash makefile v0.0.7
+git subtree pull --prefix=includes --squash makefile v0.0.8
 ```
 
 ## License
 
-`sacloud/makefile` Copyright (C) 2022 The sacloud/makefile Authors.
+`sacloud/makefile` Copyright (C) 2022-2023 The sacloud/makefile Authors.
 
 This project is published under [Apache 2.0 License](LICENSE).
 
diff --git a/includes/go/common.mk b/includes/go/common.mk
index f005c51..fe207c6 100644
--- a/includes/go/common.mk
+++ b/includes/go/common.mk
@@ -1,5 +1,5 @@
 #
-# Copyright 2022 The sacloud/makefile Authors
+# Copyright 2022-2023 The sacloud/makefile Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,11 +15,11 @@
 #
 
 AUTHOR                  ?= The sacloud/makefile Authors
-COPYRIGHT_YEAR          ?= 2022
+COPYRIGHT_YEAR          ?= 2023
 COPYRIGHT_FILES         ?= $$(find . -name "*.go" -print | grep -v "/vendor/")
 GO                      ?= go
 DEFAULT_GOALS           ?= fmt set-license go-licenses-check goimports lint test
-GOLANG_CI_LINT_VERSION  ?= v1.51.2
+GOLANG_CI_LINT_VERSION  ?= v1.56.2
 TEXTLINT_ACTION_VERSION ?= v0.0.3
 
 .DEFAULT_GOAL = default
diff --git a/includes/go/single.mk b/includes/go/single.mk
index 9afdf37..8638ddd 100644
--- a/includes/go/single.mk
+++ b/includes/go/single.mk
@@ -1,5 +1,5 @@
 #
-# Copyright 2022 The sacloud/makefile Authors
+# Copyright 2022-2023 The sacloud/makefile Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.