diff --git a/history.en.md b/history.en.md
index 97aaf8bf7..760940ac7 100644
--- a/history.en.md
+++ b/history.en.md
@@ -1,6 +1,7 @@
 # History
 
  - master/HEAD
+ - 3.2.0 (2019.10.28)
    * Separate an option to control new tabs from outside Firefox.
    * Open search result tabs opened from `about:addons` tab as children.
    * Save tree structure to bookmarks when multiple bookmarks are created from a tree, via commands provided by TST itself.
diff --git a/history.ja.md b/history.ja.md
index 5a9117c7a..d62e3b883 100644
--- a/history.ja.md
+++ b/history.ja.md
@@ -1,6 +1,7 @@
 # 更新履歴
 
  - master/HEAD
+ - 3.2.0 (2019.10.28)
    * 他のアプリケーションから開かれたタブの制御に関する設定を独立させた
    * `about:addons`から開かれた検索結果のタブを子タブにするようにした
    * TST上の操作でツリーから作成したブックマークについて、ツリー構造を常に保存するようにした
diff --git a/webextensions/manifest.json b/webextensions/manifest.json
index f4eb01545..c739e3dde 100644
--- a/webextensions/manifest.json
+++ b/webextensions/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "__MSG_extensionName__",
-  "version": "3.1.8",
+  "version": "3.2.0",
   "author": "YUKI \"Piro\" Hiroshi",
   "description": "__MSG_extensionDescription__",
   "permissions": [