diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6f7059..38d4421 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 <!--------------------- Don't add new entries after this line --------------------->
 
+## [1.2.1] - 2023-11-29
+
+### Changed
+
+- Upgrade `xterm.js` dependency to `v5.3.0`
+
 ## [1.2.0] - 2023-11-14
 
 ### Added
diff --git a/mix.exs b/mix.exs
index fdfbd84..8607f8a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,7 +2,7 @@ defmodule KinoK8s.MixProject do
   use Mix.Project
 
   @source_url "https://github.com/mruoss/kino_k8s"
-  @version "1.2.0"
+  @version "1.2.1"
 
   def project do
     [