diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8957fb8..1b2508fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ## [Unreleased]
 * Fix crash when padding before widechar (https://github.com/zellij-org/zellij/pull/540)
 * Do not lag when reading input too fast (https://github.com/zellij-org/zellij/pull/536)
+* Session name optional in attach command (https://github.com/zellij-org/zellij/pull/542)
 
 ## [0.12.1] - 2021-05-28
 * HOTFIX: fix Zellij not responding to input on certain terminals (https://github.com/zellij-org/zellij/issues/538)