diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45fccfb9f..54af8c6ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ See the [releases page](https://github.com/github/codeql-action/releases) for th
 
 - _Breaking change_: Bump the minimum required CodeQL bundle version to 2.19.4. [#3894](https://github.com/github/codeql-action/pull/3894)
 - Add support for SHA-256 Git object IDs. [#3893](https://github.com/github/codeql-action/pull/3893)
+- Update default CodeQL bundle version to [2.25.5](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.5). [#3926](https://github.com/github/codeql-action/pull/3926)
 
 ## 4.35.5 - 15 May 2026