diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e44d3b798..fc6be3a818 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # v1.16
 
+## Release v1.16.4 - 2024/03/14
+
+### Bug Fix
+
+* Fix to avoid processing discarded chunks in write_step_by_step.
+  It fixes not to raise pile of IOError when many `chunk
+  bytes limit exceeds` errors are occurred.
+  https://github.com/fluent/fluentd/pull/4342
+* in_tail: Fix tail watchers in `rotate_wait` state not being managed.
+  https://github.com/fluent/fluentd/pull/4334
+
+### Misc
+
+* buffer: Avoid unnecessary log processing. It will improve performance.
+  https://github.com/fluent/fluentd/pull/4331
+
 ## Release v1.16.3 - 2023/11/14
 
 ### Bug Fix
diff --git a/lib/fluent/version.rb b/lib/fluent/version.rb
index a84ee72e22..584e7ded31 100644
--- a/lib/fluent/version.rb
+++ b/lib/fluent/version.rb
@@ -16,6 +16,6 @@
 
 module Fluent
 
-  VERSION = '1.16.3'
+  VERSION = '1.16.4'
 
 end