diff --git a/xep-0408.xml b/xep-0408.xml
index d434e585..fd345bad 100644
--- a/xep-0408.xml
+++ b/xep-0408.xml
@@ -35,6 +35,12 @@
   <shortname>MIX-MUC</shortname>
   &ksmithisode;
   &skille;
+  <revision>
+    <version>0.2.0</version>
+    <date>2021-03-09</date>
+    <initials>@mathieui</initials>
+    <remark><p>Fix reference to MIX-CORE namespaces</p></remark>
+  </revision>
   <revision>
     <version>0.1.1</version>
     <date>2020-12-01</date>