diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index 822f6221b..e2709983c 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<package schemaVersion="1.7.36" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xs:noNamespaceSchemaLocation="https://raw.githubusercontent.com/Open-CMSIS-Pack/Open-CMSIS-Pack-Spec/v1.7.36/schema/PACK.xsd">
+<package schemaVersion="1.7.40" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xs:noNamespaceSchemaLocation="https://raw.githubusercontent.com/Open-CMSIS-Pack/Open-CMSIS-Pack-Spec/v1.7.40/schema/PACK.xsd">
   <name>CMSIS</name>
   <description overview="./CMSIS/Documentation/Overview.md">CMSIS (Common Microcontroller Software Interface Standard)</description>
   <vendor>ARM</vendor>
@@ -622,7 +622,8 @@
     <condition id="TZ Secure">
       <description>TrustZone (Secure)</description>
       <require Dtz="TZ"/>
-      <require Dsecure="Secure"/>
+      <accept Dsecure="Secure"/>
+      <accept Dsecure="Secure-only"/>
     </condition>
 
     <!-- OS Tick -->