diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73bc1b8..1d9e2a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## [1.3.1](https://github.com/osaton/do-proxy/compare/v1.3.0...v1.3.1) (2023-01-04)
+
+
+### Bug Fixes
+
+* `batch` returns a promise ([3b95bb5](https://github.com/osaton/do-proxy/commit/3b95bb504ca5d71c026b9950d51288979e22a4d4))
+* fix `batch` method callback return type checks ([d339cbf](https://github.com/osaton/do-proxy/commit/d339cbf4877638e910f4507b08d84e700a6b39b8))
+
 # [1.3.0](https://github.com/osaton/do-proxy/compare/v1.2.2...v1.3.0) (2023-01-03)
 
 
diff --git a/package-lock.json b/package-lock.json
index 731f7a6..b8509c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "do-proxy",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "do-proxy",
-      "version": "1.3.0",
+      "version": "1.3.1",
       "devDependencies": {
         "@cloudflare/workers-types": "^4.20221111.1",
         "@semantic-release/changelog": "^6.0.2",
diff --git a/package.json b/package.json
index 7eabb35..367852c 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "cloudflare",
     "workers"
   ],
-  "version": "1.3.0",
+  "version": "1.3.1",
   "type": "module",
   "module": "./dist/do-proxy.js",
   "main": "./dist/do-proxy.cjs",