diff --git a/CHANGELOG.md b/CHANGELOG.md
index b57010ed..9ef4b668 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [1.9.0](https://github.com/KengoTODA/gradle-semantic-release-plugin/compare/v1.8.0...v1.9.0) (2023-12-31)
+
+
+### Features
+
+* preserve comments in properties file ([0bbb179](https://github.com/KengoTODA/gradle-semantic-release-plugin/commit/0bbb1797e03467f77cfc842176c3c47f91aa2c91)), closes [#569](https://github.com/KengoTODA/gradle-semantic-release-plugin/issues/569)
+
 # [1.8.0](https://github.com/KengoTODA/gradle-semantic-release-plugin/compare/v1.7.7...v1.8.0) (2023-11-19)
 
 
diff --git a/package-lock.json b/package-lock.json
index 061a05e0..25ea6b1d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "gradle-semantic-release-plugin",
-  "version": "1.8.0",
+  "version": "1.9.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "gradle-semantic-release-plugin",
-      "version": "1.8.0",
+      "version": "1.9.0",
       "funding": [
         {
           "type": "GitHub Sponsors",
diff --git a/package.json b/package.json
index d8d9ceaa..f28d132d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gradle-semantic-release-plugin",
-  "version": "1.8.0",
+  "version": "1.9.0",
   "description": "Automated release management for Gradle project",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",