diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98bb4d4ebfe..920f7f05058 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -161,6 +161,8 @@
 
 ### Mimirtool
 
+* [CHANGE] Unify mimirtool authentication options and add extra-headers support for commands that depend on MimirClient. #10178
+
 ### Mimir Continuous Test
 
 ### Query-tee