diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6531a50b..b9e7d125 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Mechanize CHANGELOG
 
+## 2.12.1 / 2024-08-21
+
+* Introduce experimental support for handling Zstd-compressed responses (CRuby only). (#652) @adrianodennanni
+
+
 ## 2.12.0 / 2024-07-29
 
 * Introduce experimental support for handling Brotli-compressed responses (CRuby only). (#650) @weshatheleopard
diff --git a/lib/mechanize/version.rb b/lib/mechanize/version.rb
index e118991e..8a254c51 100644
--- a/lib/mechanize/version.rb
+++ b/lib/mechanize/version.rb
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 class Mechanize
-  VERSION = "2.12.0"
+  VERSION = "2.12.1"
 end