diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30e99e2..d23ea8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## v3.1.1
+
+[compare changes](https://github.com/kiki-kanri/nuxt-session/compare/v3.1.0...v3.1.1)
+
+### 📖 Documentation
+
+- Update README ([ed6963c](https://github.com/kiki-kanri/nuxt-session/commit/ed6963c))
+
+### 🏡 Chore
+
+- Upgrade dependencies ([af4f570](https://github.com/kiki-kanri/nuxt-session/commit/af4f570))
+
+### ❤️ Contributors
+
+- kiki-kanri
+
 ## v3.1.0
 
 > [!NOTE]
diff --git a/package.json b/package.json
index 7702f2d..5ca913b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kikiutils/nuxt-session",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "Easy-to-use nuxt server-side session.",
   "license": "MIT",
   "author": "kiki-kanri",