diff --git a/CD-Image-Support.md b/CD-Image-Support.md
index 05c342f..2813fd7 100644
--- a/CD-Image-Support.md
+++ b/CD-Image-Support.md
@@ -45,10 +45,14 @@ Need a good copy
 
 * 8.6 https://mega.nz/folder/8hA3AQCJ#pWUq92L70yDXlogy9lk5Dg/folder/ll4HCQQB
 
-### Mac OS 9
+### Mac OS 9.0
 
 Need a good copy
 
+### Mac OS 9.1
+
+* MacOS91CD.ZIP - 232b183883d5ecd4952014d58ce2b85d https://macintoshgarden.org/apps/mac-os-91-91-update #1
+
 ### Mac OS 9.2.2
 
 * Mac OS 9.2.2 Universal