diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2da8fa6e78a0..1822c0f08068 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ github_url: 'https://github.com/jupyterlab/jupyterlab/blob/master/CHANGELOG.md'
 
 ### Enhancements made
 
+- Communicate heading collapse between ToC and Notebook [#10545](https://github.com/jupyterlab/jupyterlab/pull/10545) ([@andrewfulton9](https://github.com/andrewfulton9))
 - Allow to set custom position for `Tooltip` [#10590](https://github.com/jupyterlab/jupyterlab/pull/10590) ([@krassowski](https://github.com/krassowski))
 - Rename files in collaborative mode [#10564](https://github.com/jupyterlab/jupyterlab/pull/10564) ([@hbcarlos](https://github.com/hbcarlos))
 - Reorganize settings menu for text editor [#10563](https://github.com/jupyterlab/jupyterlab/pull/10563) ([@fcollonval](https://github.com/fcollonval))