diff --git a/README.md b/README.md
index 17c7760..9e913b4 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,8 @@ Table of Contents
 * [History](README.md#history)
 * [For Unkontributors (開発者向け)](README.md#for-unkontributors-開発者向け)
 
-<!-- Added by: runner, at: Tue Nov  2 00:32:54 UTC 2021 -->
+<!-- Created by https://github.com/ekalinin/github-markdown-toc -->
+<!-- Added by: runner, at: Mon Apr 11 14:53:36 UTC 2022 -->
 
 <!--te-->
 
diff --git a/doc/unko.puzzle.md b/doc/unko.puzzle.md
index 010459e..7fb60c8 100644
--- a/doc/unko.puzzle.md
+++ b/doc/unko.puzzle.md
@@ -18,7 +18,8 @@ Table of Contents
       * [macOS](doc/unko.puzzle.md#macos-1)
    * [for development](doc/unko.puzzle.md#for-development)
 
-<!-- Added by: runner, at: Tue Nov  2 00:32:55 UTC 2021 -->
+<!-- Created by https://github.com/ekalinin/github-markdown-toc -->
+<!-- Added by: runner, at: Mon Apr 11 14:53:36 UTC 2022 -->
 
 <!--te-->
 
diff --git a/doc/unko.toilet.md b/doc/unko.toilet.md
index 6c4d76f..591baf7 100644
--- a/doc/unko.toilet.md
+++ b/doc/unko.toilet.md
@@ -12,7 +12,8 @@ Table of Contents
       * [brew/linuxbrew](doc/unko.toilet.md#brewlinuxbrew)
    * [Usage](doc/unko.toilet.md#usage)
 
-<!-- Added by: runner, at: Tue Nov  2 00:32:55 UTC 2021 -->
+<!-- Created by https://github.com/ekalinin/github-markdown-toc -->
+<!-- Added by: runner, at: Mon Apr 11 14:53:36 UTC 2022 -->
 
 <!--te-->