diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e456ee..82edbe6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com),
 and this project adheres to [Semantic Versioning](https://semver.org).
 
+## [3.1.1] - 2022-07-25
+
+- [全環境] `p` で選択したメッセージのスタンプピッカーを開くように修正 [#79](https://github.com/JichouP/Better-traQ/issues/79)
+
 ## [3.1.0] - 2022-05-06
 
 ### Added
diff --git a/package.json b/package.json
index 167bf79..257b630 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "better-traq",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "An Extension that Makes traQ Useful",
   "main": "index.js",
   "scripts": {
diff --git a/updates.json b/updates.json
index 49f09b3..5ecff66 100644
--- a/updates.json
+++ b/updates.json
@@ -2,6 +2,10 @@
   "addons": {
     "@bettertraq": {
       "updates": [
+        {
+          "version": "3.1.1",
+          "update_link": "https://github.com/JichouP/Better-traQ/releases/download/v3.1.1/traQ-firefox-3.1.1.xpi"
+        },
         {
           "version": "3.1.0",
           "update_link": "https://github.com/JichouP/Better-traQ/releases/download/v3.1.0/traQ-firefox-3.1.0.xpi"
@@ -18,6 +22,10 @@
     },
     "@betterextraq": {
       "updates": [
+        {
+          "version": "3.1.1",
+          "update_link": "https://github.com/JichouP/Better-traQ/releases/download/v3.1.1/ex-traQ-firefox-3.1.1.xpi"
+        },
         {
           "version": "3.1.0",
           "update_link": "https://github.com/JichouP/Better-traQ/releases/download/v3.1.0/ex-traQ-firefox-3.1.0.xpi"