diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8e6532..65e8244 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,7 +21,10 @@ Adding a requirement of a major version of a dependency is breaking a contract.
 Dropping a requirement of a major version of a dependency is a new contract.
 
 ## [Unreleased]
-[Unreleased]: https://github.com/atlassian-labs/aws-resources/compare/release-1.18.0...master
+[Unreleased]: https://github.com/atlassian-labs/aws-resources/compare/release-1.18.1...master
+
+## [1.18.1] - 2024-12-03
+[1.18.1]: https://github.com/atlassian-labs/aws-resources/compare/release-1.18.0...release-1.18.1
 
 ### Fixed
 - Fix binary incompatibility of `Investment.copy` with the previous minor version.