diff --git a/Changelog.md b/Changelog.md
index 5068cd7..1255b12 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -6,6 +6,7 @@ New stuff
 - Artist names have been added to `catalog`
 - Multiple new functions have been added to `Cards`, `Symbology`
 - Added the `bulk-data` endpoint to Scrython
+- Added the Arena ID endpoint to Scrython
 
 Changes
 - Scrython has been changed to use spaces rather than tabs.