diff --git a/history.en.md b/history.en.md
index d9a3fd759..475efef30 100644
--- a/history.en.md
+++ b/history.en.md
@@ -1,6 +1,7 @@
 # History
 
  - master/HEAD
+ - 3.4.10 (2020.4.19)
    * Open bookmarks as tabs with their correct title, via the "Open All as a Tree" context menu command on a bookmark folder.
    * Open bookmarks more correctly via the "Open All as a Tree", even if `browser.tabs.insertAfterCurrent` is `true`.
    * Introduce a new notification type API: [`try-fixup-tree-on-tab-moved`](https://github.com/piroor/treestyletab/wiki/API-for-other-addons#suppress-autofixing-of-tree-structure-for-moved-tabs).
diff --git a/history.ja.md b/history.ja.md
index 15a09c865..ebfd69f92 100644
--- a/history.ja.md
+++ b/history.ja.md
@@ -1,6 +1,7 @@
 # 更新履歴
 
  - master/HEAD
+ - 3.4.10 (2020.4.19)
    * ブックマークフォルダ上のコンテキストメニューの「ツリーとしてすべて開く」で開かれたタブに適切にタイトルが設定されていなかった問題を修正
    * `browser.tabs.insertAfterCurrent`が`true`のときに、ブックマークフォルダ上のコンテキストメニューの「ツリーとしてすべて開く」でタブが開かれると順番やツリー構造がおかしくなっていたのを修正
    * 新しい通知型のAPIを追加: [`try-fixup-tree-on-tab-moved`](https://github.com/piroor/treestyletab/wiki/API-for-other-addons#suppress-autofixing-of-tree-structure-for-moved-tabs)
diff --git a/webextensions/manifest.json b/webextensions/manifest.json
index 72823b038..b3dce0998 100644
--- a/webextensions/manifest.json
+++ b/webextensions/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "__MSG_extensionName__",
-  "version": "3.4.9",
+  "version": "3.4.10",
   "author": "YUKI \"Piro\" Hiroshi",
   "description": "__MSG_extensionDescription__",
   "permissions": [