diff --git a/Imperial Navy.cat b/Imperial Navy.cat
index 0466f28..aa403aa 100644
--- a/Imperial Navy.cat	
+++ b/Imperial Navy.cat	
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<catalogue id="0edc-79db-18a8-7153" name="Imperial Navy" revision="49" battleScribeVersion="2.03" authorName="Brian Black with updates by vadersson, BlueSeven" authorContact="Brian_Black on BGG and FFG Forums vadersson most places. BlueSeven on BSData discord." library="false" gameSystemId="4007-48b0-a016-7a8e" gameSystemRevision="35" xmlns="http://www.battlescribe.net/schema/catalogueSchema">
+<catalogue id="0edc-79db-18a8-7153" name="Imperial Navy" revision="50" battleScribeVersion="2.03" authorName="Brian Black with updates by vadersson, BlueSeven" authorContact="Brian_Black on BGG and FFG Forums vadersson most places. BlueSeven on BSData discord." library="false" gameSystemId="4007-48b0-a016-7a8e" gameSystemRevision="35" xmlns="http://www.battlescribe.net/schema/catalogueSchema">
   <comment>Added Rapid Reinforcements 1
 Added speed chards
 Added validation target for unique squadrons with defense tokens</comment>
@@ -7721,6 +7721,9 @@ While attacking a ship, you may spend 1 die from the attack pool to exchange it
       </selectionEntries>
     </selectionEntryGroup>
     <selectionEntryGroup id="4031-c8f1-d0c8-8182" name="Title - Super Star Destroyer" hidden="false" collective="false" import="true">
+      <constraints>
+        <constraint field="selections" scope="parent" value="1.0" percentValue="false" shared="false" includeChildSelections="false" includeChildForces="false" id="22ba-abf7-3216-9fab" type="max"/>
+      </constraints>
       <selectionEntries>
         <selectionEntry id="232e-a1b6-c53e-2d53" name="•Executor" hidden="false" collective="false" import="true" type="upgrade">
           <constraints>