diff --git a/Changelog.md b/Changelog.md
index 8bb4f6dd..50fc6e5b 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,6 +2,10 @@
 
 -
 
+# 1.2.4 (2019-09-06)
+
+- Do not rewrite zip files opened with `open_buffer` that have not changed [#360](https://github.com/rubyzip/rubyzip/pull/360)
+
 Tooling / Documentation
 
 - Update `example_recursive.rb` in README [#397](https://github.com/rubyzip/rubyzip/pull/397)
diff --git a/lib/zip/version.rb b/lib/zip/version.rb
index 4d6ab8b3..afbccee8 100644
--- a/lib/zip/version.rb
+++ b/lib/zip/version.rb
@@ -1,3 +1,3 @@
 module Zip
-  VERSION = '1.2.3'
+  VERSION = '1.2.4'
 end