diff --git a/ChangeLog.md b/ChangeLog.md
index 95e9e13..7a64a87 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Version 0.21.0
+* Add `--expunge` flag to `event-type delete` command for permanently deleting event types
+* Update Svix lib (includes fixes and improvements)
+
 ## Version 0.20.0
 * Update Svix lib (includes fixes and improvements)