diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7283c0fb0..0ff989007 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ See the [releases page](https://github.com/github/codeql-action/releases) for th
 ## [UNRELEASED]
 
 - Reduced the minimum Git version required for [improved incremental analysis](https://github.com/github/roadmap/issues/1158) from 2.38.0 to 2.11.0. [#3767](https://github.com/github/codeql-action/pull/3767)
+- Update default CodeQL bundle version to [2.25.1](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.1). [#3773](https://github.com/github/codeql-action/pull/3773)
 
 ## 4.34.1 - 20 Mar 2026