diff --git a/README.md b/README.md
index 225112f..5c27047 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 Boot any Apple II disk on any Apple II
 
 [Download latest Anti-M disk image](https://github.com/a2-4am/anti-m/releases/latest/download/anti-m.dsk)
-(version **2.1**, released **2024-02-23**, runs on any 48K Apple II)
+(version **2.2**, released **2024-02-27**, runs on any 48K Apple II)
 
 ## What is this?
 
@@ -99,6 +99,10 @@ launching Anti-M.
 
 ## History
 
+v2.2 - 2024-02-27
+
+- add support for ABM
+
 v2.1 - 2024-02-23
 
 - fix detection of 13-sector disks (thanks John A. for the report)
diff --git a/src/anti-m.a b/src/anti-m.a
index e13ff9d..5a3e544 100644
--- a/src/anti-m.a
+++ b/src/anti-m.a
@@ -346,7 +346,7 @@ StringTable
          !word @mainmenu
 
 @header
-         !text "Anti-M v2.1 by 4am            2024-02-26"
+         !text "Anti-M v2.2 by 4am            2024-02-27"
          !text "________________________________________",$8D
          !text $8D,$8D,$8D,$8D,$8D,$8D,$8D,$8D,$00
 @mainmenu