diff --git a/CHANGES.txt b/CHANGES.txt
index 69207d6ae9dfc..99da751e42ba8 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,8 @@
+2022-01-05 version 3.18.2 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
+
+  Java
+  * Change implementation of UnknownFieldSet (#9371)
+
 2021-10-04 version 3.18.1 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
 
   Python