diff --git a/en/source/intro/history.rst b/en/source/intro/history.rst
index e81a2e6..95ad62a 100644
--- a/en/source/intro/history.rst
+++ b/en/source/intro/history.rst
@@ -12,12 +12,15 @@ For the changes to the original Japanese version, please refer to the `Japanese
    Changes After the Latest release
    ================================
 
-   *  Added a new guideline  for mobile applications corresponding to WCAG 2.1 Success Criterion 2.5.1 and related explanations:
+`Ver. 202409.0 (Sep 26, 2024) <https://github.com/freee/a11y-guidelines/releases/202409.0>`__
+=============================================================================================
+
+*  Added a new guideline  for mobile applications corresponding to WCAG 2.1 Success Criterion 2.5.1 and related explanations:
 
-      -  Input Device: :ref:`gl-input-device-mobile-standard-gestures`
-      -  :ref:`exp-mobile-a11y-basics`
+   -  Input Device: :ref:`gl-input-device-mobile-standard-gestures`
+   -  :ref:`exp-mobile-a11y-basics`
 
-   *  Updated the accessibility checklist to V5.1.0
+*  Updated the accessibility checklist to V5.1.0
 
 `Ver. 202408.0 (Aug 20, 2024) <https://github.com/freee/a11y-guidelines/releases/202408.0>`__
 =============================================================================================
diff --git a/ja/source/intro/ChangeLog/2024/202409.0.rst b/ja/source/intro/ChangeLog/2024/202409.0.rst
new file mode 100644
index 0000000..cf90cc0
--- /dev/null
+++ b/ja/source/intro/ChangeLog/2024/202409.0.rst
@@ -0,0 +1,13 @@
+.. _ver-202409-0:
+
+**********************************************************************************************
+`Ver. 202409.0 (2024年9月26日) <https://github.com/freee/a11y-guidelines/releases/202409.0>`__
+**********************************************************************************************
+
+*  WCAG 2.1の達成基準2.5.1に対応するモバイル・アプリケーションを対象としたガイドライン項目と関連する解説を追加：
+
+   -  入力ディバイス： :ref:`gl-input-device-mobile-standard-gestures`
+   -  :ref:`exp-mobile-a11y-basics`
+
+*  アクセシビリティー・チェック・リストをV5.1.0に更新
+
diff --git a/ja/source/intro/history.rst b/ja/source/intro/history.rst
index 9a5daff..a8464d0 100644
--- a/ja/source/intro/history.rst
+++ b/ja/source/intro/history.rst
@@ -11,13 +11,7 @@ Ver. 202205.0以降、チェック内容に関連する更新情報は :ref:`che
    最新リリース以降の変更点
    ========================
 
-   *  WCAG 2.1の達成基準2.5.1に対応するモバイル・アプリケーションを対象としたガイドライン項目と関連する解説を追加：
-
-      -  入力ディバイス： :ref:`gl-input-device-mobile-standard-gestures`
-      -  :ref:`exp-mobile-a11y-basics`
-
-   *  アクセシビリティー・チェック・リストをV5.1.0に更新
-
+.. include:: ChangeLog/2024/202409.0.rst
 .. include:: ChangeLog/2024/202408.0.rst
 .. include:: ChangeLog/2024/202405.0.rst
 .. include:: ChangeLog/2024/202404.0.rst
diff --git a/version.py b/version.py
index 53933ad..3df50be 100644
--- a/version.py
+++ b/version.py
@@ -1,4 +1,4 @@
-guidelines_version = 'Ver. 202408.0'
+guidelines_version = 'Ver. 202409.0'
 checksheet_version = '5.1.0'
 checksheet_date = '2024-09-26'
-publishedDate = '2024-08-20'
+publishedDate = '2024-09-26'