diff --git a/cadc-access-control/README.md b/cadc-access-control/README.md
index 5863051adbee5c5574f264b0cf759d97f2f9855d..ad5f19d9b3cd91e35eb497916fb00b41a22da23f 100644
--- a/cadc-access-control/README.md
+++ b/cadc-access-control/README.md
@@ -15,4 +15,4 @@ In the system, a user is uniquely identified by one Principal (e.g. NumericPrinc
 
 Groups represet associations of users. Groups have an owner, administive members, and actual members.  Members can be groups or users.
 
-![User Object Model](doc/AccessControl.png)
+![User Object Model](doc/AccessControl.0.2.png)