diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18c389ac..e298021b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 * Split `layout` flag into `layout` and `layout-path` (https://github.com/zellij-org/zellij/pull/514)
 * Fix behaviour of the `clean` flag (https://github.com/zellij-org/zellij/pull/519)
 * Make distinction clearer between certain configuration flags (https://github.com/zellij-org/zellij/pull/529)
+* Resource usage and performance improvements (https://github.com/zellij-org/zellij/pull/523)
 
 ## [0.11.0] - 2021-05-15