diff --git a/CHANGELOG.md b/CHANGELOG.md
index 190c935..565b553 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 0.2.3 - 2025-08-28
+
+* Remove unnecessary error log (#10)
+* Relax log level (#11)
+
 # 0.2.2 - 2025-08-27
 
 * in_fluent_package_update_notifier: support multi worker (#8)
diff --git a/fluent-plugin-fluent-package-update-notifier.gemspec b/fluent-plugin-fluent-package-update-notifier.gemspec
index 05cfef9..f8672f1 100644
--- a/fluent-plugin-fluent-package-update-notifier.gemspec
+++ b/fluent-plugin-fluent-package-update-notifier.gemspec
@@ -3,7 +3,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name    = "fluent-plugin-fluent-package-update-notifier"
-  spec.version = "0.2.2"
+  spec.version = "0.2.3"
   spec.authors = ["Kentaro Hayashi"]
   spec.email   = ["hayashi@clear-code.com"]