diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ad1c216..5785a4e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-  "packages/package-a": "2.3.0",
+  "packages/package-a": "2.4.0",
   "packages/package-b": "3.2.0",
   "packages/package-c": "4.3.0"
 }
diff --git a/package-lock.json b/package-lock.json
index 8750ec1..9db2fd3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2227,7 +2227,7 @@
     },
     "packages/package-a": {
       "name": "@tasshi/package-a",
-      "version": "2.3.0",
+      "version": "2.4.0",
       "license": "MIT"
     },
     "packages/package-b": {
diff --git a/packages/package-a/CHANGELOG.md b/packages/package-a/CHANGELOG.md
index b9bf2b3..c9dbc0b 100644
--- a/packages/package-a/CHANGELOG.md
+++ b/packages/package-a/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.4.0](https://github.com/tasshi-playground/demo-monorepo-release-please/compare/package-a@2.3.0...package-a@2.4.0) (2024-09-18)
+
+
+### Features
+
+* **package-a:** update ([cf3c24e](https://github.com/tasshi-playground/demo-monorepo-release-please/commit/cf3c24ed9da7d5de3c83119fa83e4200a9cb0946))
+
 ## [2.3.0](https://github.com/tasshi-playground/demo-monorepo-release-please/compare/package-a@2.2.0...package-a@2.3.0) (2022-09-06)
 
 
diff --git a/packages/package-a/package.json b/packages/package-a/package.json
index 88403a8..5c5880c 100644
--- a/packages/package-a/package.json
+++ b/packages/package-a/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tasshi/package-a",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "main": "index.js",
   "license": "MIT"
 }