diff --git a/xep.ent b/xep.ent
index a0901225..a6b0099d 100644
--- a/xep.ent
+++ b/xep.ent
@@ -1037,3 +1037,7 @@ IANA Service Location Protocol, Version 2 (SLPv2) Templates</link></span> <note>
 <!ENTITY xep0250 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0250.html'>C2C Authentication Using TLS</link></span> <note>XEP-0250: C2C Authentication Using TLS &lt;<link url='http://xmpp.org/extensions/xep-0250.html'>http://xmpp.org/extensions/xep-0250.html</link>&gt;.</note>" >
 <!ENTITY xep0251 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0251.html'>Jingle Session Transfer</link></span> <note>XEP-0251: Jingle Session Transfer &lt;<link url='http://xmpp.org/extensions/xep-0251.html'>http://xmpp.org/extensions/xep-0251.html</link>&gt;.</note>" >
 <!ENTITY xep0252 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0252.html'>BOSH Script Syntax</link></span> <note>XEP-0252: BOSH Script Syntax &lt;<link url='http://xmpp.org/extensions/xep-0252.html'>http://xmpp.org/extensions/xep-0252.html</link>&gt;.</note>" >
+<!ENTITY xep0253 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0253.html'>PubSub Chaining</link></span> <note>XEP-0253: PubSub Chaining &lt;<link url='http://xmpp.org/extensions/xep-0253.html'>http://xmpp.org/extensions/xep-0253.html</link>&gt;.</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>" >