diff --git a/xep-0294.xml b/xep-0294.xml
index 37641f8d..c527d533 100644
--- a/xep-0294.xml
+++ b/xep-0294.xml
@@ -33,6 +33,12 @@
     <email>olivier.crete@collabora.co.uk</email>
     <jid>olivier.crete@collabora.co.uk</jid>
   </author>
+  <revision>
+    <version>1.1</version>
+    <date>2021-03-28</date>
+    <initials>ph</initials>
+    <remark><p>Add mapping for a=extmap-allow-mixed</p></remark>
+  </revision>
   <revision>
     <version>1.0</version>
     <date>2015-08-11</date>