diff --git a/smack-extensions/src/main/resources/org.jivesoftware.smack.extensions/extensions.xml b/smack-extensions/src/main/resources/org.jivesoftware.smack.extensions/extensions.xml
index b6e64c901..36eaa40ed 100644
--- a/smack-extensions/src/main/resources/org.jivesoftware.smack.extensions/extensions.xml
+++ b/smack-extensions/src/main/resources/org.jivesoftware.smack.extensions/extensions.xml
@@ -16,5 +16,6 @@
         <className>org.jivesoftware.smackx.xdatalayout.XDataLayoutManager</className>
         <className>org.jivesoftware.smackx.xdatavalidation.XDataValidationManager</className>
 		<className>org.jivesoftware.smackx.receipts.DeliveryReceiptManager</className>
+		<className>org.jivesoftware.smackx.iqversion.VersionManager</className>
     </startupClasses>
 </smack>