diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0633f89..ab2a945 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [1.5.1](https://github.com/toshimaru/auto-author-assign/compare/v1.5.0...v1.5.1) (2022-07-22)
+
 ## [1.5.0](https://github.com/toshimaru/auto-author-assign/compare/v1.4.0...v1.5.0) (2022-03-28)
 
 ## [1.4.0](https://github.com/toshimaru/auto-author-assign/compare/v1.3.7...v1.4.0) (2021-10-17)
diff --git a/package-lock.json b/package-lock.json
index 972259a..06b8166 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "auto-author-assign",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "auto-author-assign",
-      "version": "1.5.0",
+      "version": "1.5.1",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.9.0",
diff --git a/package.json b/package.json
index 1fbfe3a..1b0988d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "auto-author-assign",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "private": true,
   "description": "GitHub Actions: Assign pull request author automatically.",
   "main": "src/index.js",