diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a3d01f..1fe962b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+2.0.0 / 2024/10/03
+==================
+
+* BREAKING: Restore #72, which is an API-breaking change because it changes
+  what data is serialized with marshalling.
+
 1.3.1 / 2024/10/03
 ==================
 
diff --git a/lib/recursive_open_struct/version.rb b/lib/recursive_open_struct/version.rb
index 698f09a..c8a9cae 100644
--- a/lib/recursive_open_struct/version.rb
+++ b/lib/recursive_open_struct/version.rb
@@ -3,5 +3,5 @@
 require 'ostruct'
 
 class RecursiveOpenStruct < OpenStruct
-  VERSION = "1.3.1"
+  VERSION = "2.0.0"
 end