diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68a42437538..3f756068d4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,6 +44,7 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 - [#7078](https://github.com/thanos-io/thanos/pull/7078) *: Bump gRPC to 1.57.2
 
 ### Added
+- [#7105](https://github.com/thanos-io/thanos/pull/7105) Rule: add flag `--query.enable-x-functions` to allow usage of extended promql functions (xrate, xincrease, xdelta) in loaded rules
 
 ### Changed