diff --git a/CHANGELOG.md b/CHANGELOG.md
index 186b238cf2..6a9b1179a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,55 @@
+# v1.15
+
+## Release v1.15.0 - 2022/06/29
+
+### Enhancement
+
+* in_tail: Add log throttling in files based on group rules
+  https://github.com/fluent/fluentd/pull/3535
+  https://github.com/fluent/fluentd/pull/3771
+* Add `dump` command to fluent-ctl
+  https://github.com/fluent/fluentd/pull/3680
+* Handle YAML configuration format on configuration file
+  https://github.com/fluent/fluentd/pull/3712
+* Add `restart_worker_interval` parameter in `<system>` directive to set
+  interval to restart workers that has stopped for some reason.
+  https://github.com/fluent/fluentd/pull/3768
+
+### Bug fixes
+
+* out_forward: Fix to update timeout of cached sockets
+  https://github.com/fluent/fluentd/pull/3711
+* in_tail: Fix a possible crash on file rotation when `follow_inodes true`
+  https://github.com/fluent/fluentd/pull/3754
+* output: Fix a possible crash of flush thread
+  https://github.com/fluent/fluentd/pull/3755
+* in_tail: Fix crash bugs on Ruby 3.1 on Windows
+  https://github.com/fluent/fluentd/pull/3766
+* in_tail: Fix a bug that in_tail cannot open non-ascii path on Windows
+  https://github.com/fluent/fluentd/pull/3774
+* Fix a bug that fluentd doesn't release its own log file even after rotated by
+  external tools
+  https://github.com/fluent/fluentd/pull/3782
+
+### Misc
+
+* in_tail: Simplify TargetInfo related code
+  https://github.com/fluent/fluentd/pull/3489
+* Fix a wrong issue number in CHANGELOG
+  https://github.com/fluent/fluentd/pull/3700
+* server helper: Add comments to linger_timeout behavior about Windows
+  https://github.com/fluent/fluentd/pull/3701
+* service_discovery: Fix typo
+  https://github.com/fluent/fluentd/pull/3724
+* test: Fix unstable tests and warnings
+  https://github.com/fluent/fluentd/pull/3745
+  https://github.com/fluent/fluentd/pull/3753
+  https://github.com/fluent/fluentd/pull/3767
+  https://github.com/fluent/fluentd/pull/3783
+  https://github.com/fluent/fluentd/pull/3784
+  https://github.com/fluent/fluentd/pull/3785
+  https://github.com/fluent/fluentd/pull/3787
+
 # v1.14
 
 ## Release v1.14.6 - 2022/03/31
diff --git a/lib/fluent/version.rb b/lib/fluent/version.rb
index 174ab4f0bb..4140b50d61 100644
--- a/lib/fluent/version.rb
+++ b/lib/fluent/version.rb
@@ -16,6 +16,6 @@
 
 module Fluent
 
-  VERSION = '1.14.6'
+  VERSION = '1.15.0'
 
 end