diff --git a/data/doap.xml b/data/doap.xml
index f41c9fea..f8317ef7 100644
--- a/data/doap.xml
+++ b/data/doap.xml
@@ -423,7 +423,7 @@
         <xmpp:SupportedXep>
             <xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0308.html"/>
             <xmpp:status>complete</xmpp:status>
-            <xmpp:version>1.0</xmpp:version>
+            <xmpp:version>1.1.0</xmpp:version>
             <xmpp:since>0.8</xmpp:since>
         </xmpp:SupportedXep>
     </implements>