diff --git a/xmpp-parsers/doap.xml b/xmpp-parsers/doap.xml
index f578ca15160ae0b964cb35b104cd6bed9f8dd587..72252f03796983639173d2ecda461fe7dce973a6 100644
--- a/xmpp-parsers/doap.xml
+++ b/xmpp-parsers/doap.xml
@@ -236,7 +236,7 @@
         <xmpp:SupportedXep>
             <xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0176.html"/>
             <xmpp:status>complete</xmpp:status>
-            <xmpp:version>1.0</xmpp:version>
+            <xmpp:version>1.1</xmpp:version>
             <xmpp:since>0.13.0</xmpp:since>
         </xmpp:SupportedXep>
     </implements>
diff --git a/xmpp-parsers/src/jingle_ice_udp.rs b/xmpp-parsers/src/jingle_ice_udp.rs
index d178e20f0319910fc4612af08b1db699d0dca20a..6fb0e26e6a96f718b5dc47e88785ecd75f649f55 100644
--- a/xmpp-parsers/src/jingle_ice_udp.rs
+++ b/xmpp-parsers/src/jingle_ice_udp.rs
@@ -75,7 +75,7 @@ generate_element!(
         component: Required<u8> = "component",
 
         /// A Foundation as defined in ICE-CORE.
-        foundation: Required<u8> = "foundation",
+        foundation: Required<String> = "foundation",
 
         /// An index, starting at 0, that enables the parties to keep track of updates to the
         /// candidate throughout the life of the session.
@@ -88,10 +88,6 @@ generate_element!(
         /// either an IPv4 address or an IPv6 address.
         ip: Required<IpAddr> = "ip",
 
-        /// An index, starting at 0, referencing which network this candidate is on for a given
-        /// peer.
-        network: Required<u8> = "network",
-
         /// The port at the candidate IP address.
         port: Required<u16> = "port",
 
@@ -107,6 +103,10 @@ generate_element!(
         /// A related port as defined in ICE-CORE.
         rel_port: Option<u16> = "rel-port",
 
+        /// An index, starting at 0, referencing which network this candidate is on for a given
+        /// peer.
+        network: Option<u8> = "network",
+
         /// A Candidate Type as defined in ICE-CORE.
         type_: Required<Type> = "type",
     ]
@@ -125,7 +125,7 @@ mod tests {
     fn test_size() {
         assert_size!(Transport, 68);
         assert_size!(Type, 1);
-        assert_size!(Candidate, 80);
+        assert_size!(Candidate, 92);
     }
 
     #[cfg(target_pointer_width = "64")]
@@ -133,7 +133,7 @@ mod tests {
     fn test_size() {
         assert_size!(Transport, 136);
         assert_size!(Type, 1);
-        assert_size!(Candidate, 104);
+        assert_size!(Candidate, 128);
     }
 
     #[test]