diff --git a/xep.ent b/xep.ent
index dc33602b..f2552ad9 100644
--- a/xep.ent
+++ b/xep.ent
@@ -447,6 +447,8 @@
 <!ENTITY rfc3986 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3986'>RFC 3986</link></span> <note>RFC 3986: Uniform Resource Identifiers (URI): Generic Syntax &lt;<link url='http://tools.ietf.org/html/rfc3986'>http://tools.ietf.org/html/rfc3986</link>&gt;.</note>" >
 <!ENTITY rfc3987 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3987'>RFC 3987</link></span> <note>RFC 3987: Internationalized Resource Identifiers (IRIs) &lt;<link url='http://tools.ietf.org/html/rfc3987'>http://tools.ietf.org/html/rfc3987</link>&gt;.</note>" >
 <!ENTITY rfc4032 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4032'>RFC 4032</link></span> <note>RFC 4032: Update to the Session Initiation Protocol (SIP) Preconditions Framework &lt;<link url='http://tools.ietf.org/html/rfc4032'>http://tools.ietf.org/html/rfc4032</link>&gt;.</note>" >
+<!ENTITY rfc4033 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4033'>RFC 4033</link></span> <note>RFC 4033: DNS Security Introduction and Requirements &lt;<link url='http://tools.ietf.org/html/rfc4033'>http://tools.ietf.org/html/rfc4033</link>&gt;.</note>" >
+<!ENTITY rfc4086 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4086'>RFC 4086</link></span> <note>RFC 4086: Randomness Requirements for Security &lt;<link url='http://tools.ietf.org/html/rfc4086'>http://tools.ietf.org/html/rfc4086</link>&gt;.</note>" >
 <!ENTITY rfc4119 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4119'>RFC 4119</link></span> <note>RFC 4119: A Presence-based GEOPRIV Location Object Format &lt;<link url='http://tools.ietf.org/html/rfc4119'>http://tools.ietf.org/html/rfc4119</link>&gt;.</note>" >
 <!ENTITY rfc4122 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4122'>RFC 4122</link></span> <note>RFC 4122: A Universally Unique IDentifier (UUID) URN Namespace &lt;<link url='http://tools.ietf.org/html/rfc4122'>http://tools.ietf.org/html/rfc4122</link>&gt;.</note>" >
 <!ENTITY rfc4227 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4227'>RFC 4227</link></span> <note>RFC 4227: Using the Simple Object Access Protocol (SOAP) in Blocks Extensible Exchange Protocol (BEEP) &lt;<link url='http://tools.ietf.org/html/rfc4227'>http://tools.ietf.org/html/rfc4227</link>&gt;.</note>" >