diff --git a/xep.ent b/xep.ent
index f6171142..4835ede3 100644
--- a/xep.ent
+++ b/xep.ent
@@ -1042,3 +1042,5 @@ IANA Service Location Protocol, Version 2 (SLPv2) Templates</link></span> <note>
 <!ENTITY xep0254 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0254.html'>PubSub Queueing</link></span> <note>XEP-0254: PubSub Queueing &lt;<link url='http://xmpp.org/extensions/xep-0254.html'>http://xmpp.org/extensions/xep-0254.html</link>&gt;.</note>" >
 <!ENTITY xep0255 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0255.html'>Location Query</link></span> <note>XEP-0255: Location Query &lt;<link url='http://xmpp.org/extensions/xep-0255.html'>http://xmpp.org/extensions/xep-0255.html</link>&gt;.</note>" >
 <!ENTITY xep0256 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0256.html'>Last Activity in Presence</link></span> <note>XEP-0256: Last Activity in Presence &lt;<link url='http://xmpp.org/extensions/xep-0256.html'>http://xmpp.org/extensions/xep-0256.html</link>&gt;.</note>" >
+<!ENTITY xep0257 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0257.html'>Client Certificate Management for SASL EXTERNAL</link></span> <note>XEP-0257: Client Certificate Management for SASL EXTERNAL &lt;<link url='http://xmpp.org/extensions/xep-0257.html'>http://xmpp.org/extensions/xep-0257.html</link>&gt;.</note>" >
+<!ENTITY xep0258 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0258.html'>Security Labels in XMPP</link></span> <note>XEP-0258: Security Labels in XMPP &lt;<link url='http://xmpp.org/extensions/xep-0258.html'>http://xmpp.org/extensions/xep-0258.html</link>&gt;.</note>" >