diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a9b1179a9..d9f14f87e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # v1.15
 
+## Release v1.15.1 - 2022/07/27
+
+### Bug Fix
+
+* Add support for concurrent append in out_file
+  https://github.com/fluent/fluentd/pull/3808
+
+### Misc
+
+* in_tail: Show more information on skipping update_watcher
+  https://github.com/fluent/fluentd/pull/3829
+
 ## Release v1.15.0 - 2022/06/29
 
 ### Enhancement
diff --git a/lib/fluent/version.rb b/lib/fluent/version.rb
index 4140b50d61..331510eb8c 100644
--- a/lib/fluent/version.rb
+++ b/lib/fluent/version.rb
@@ -16,6 +16,6 @@
 
 module Fluent
 
-  VERSION = '1.15.0'
+  VERSION = '1.15.1'
 
 end