diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce440c42fb..59d308c856 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ Note that the only difference between `v2` and `v3` of the CodeQL Action is the
 
 ## [UNRELEASED]
 
-No user facing changes.
+- Update default CodeQL bundle version to 2.18.0. [#2364](https://github.com/github/codeql-action/pull/2364)
 
 ## 3.25.11 - 28 Jun 2024