diff --git a/Cargo.toml b/Cargo.toml
index 47fc1f96..04aa98f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ gitlab = { repository = "lumi/xmpp-rs" }
 
 [dependencies]
 xml-rs = "0.4.1"
-xmpp-parsers = "0.6.0"
+xmpp-parsers = "0.7.0"
 openssl = "0.9.12"
 base64 = "0.6.0"
 minidom = "0.4.1"
@@ -24,6 +24,7 @@ jid = "0.2.1"
 sasl = "0.4.0"
 sha-1 = "0.4"
 chrono = "0.4.0"
+try_from = "0.2.2"
 
 [features]
 insecure = []
diff --git a/src/lib.rs b/src/lib.rs
index b144d347..c022941d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,3 @@
-#![feature(try_from)]
-
 extern crate xml;
 extern crate xmpp_parsers;
 extern crate openssl;
@@ -7,6 +5,7 @@ extern crate minidom;
 extern crate base64;
 extern crate sha_1;
 extern crate chrono;
+extern crate try_from;
 pub extern crate jid;
 pub extern crate sasl;
 
diff --git a/src/plugins/caps.rs b/src/plugins/caps.rs
index 1f44881a..c61e35ae 100644
--- a/src/plugins/caps.rs
+++ b/src/plugins/caps.rs
@@ -1,5 +1,5 @@
 use std::collections::HashMap;
-use std::convert::TryFrom;
+use try_from::TryFrom;
 use std::sync::{Mutex, Arc};
 
 use plugin::PluginProxy;
@@ -11,7 +11,7 @@ use plugins::stanza::{Presence, Iq};
 use plugins::disco::DiscoInfoResult;
 use xmpp_parsers::presence::Type as PresenceType;
 use xmpp_parsers::iq::IqType;
-use xmpp_parsers::disco::Disco;
+use xmpp_parsers::disco::{DiscoInfoQuery, DiscoInfoResult as DiscoInfoResult_};
 use xmpp_parsers::caps::Caps;
 
 #[derive(Debug)]
@@ -26,7 +26,7 @@ impl Event for DiscoInfoRequest {}
 pub struct CapsPlugin {
     proxy: PluginProxy,
     pending: Arc<Mutex<HashMap<Jid, (String, String)>>>,
-    cache: Arc<Mutex<HashMap<(Jid, String), Disco>>>,
+    cache: Arc<Mutex<HashMap<(Jid, String), DiscoInfoResult_>>>,
 }
 
 impl CapsPlugin {
@@ -59,11 +59,8 @@ impl CapsPlugin {
                     let mut pending = self.pending.lock().unwrap();
                     pending.insert(recipient.clone(), (id.clone(), node.clone()));
                 }
-                let disco = Disco {
+                let disco = DiscoInfoQuery {
                     node: Some(node),
-                    identities: vec!(),
-                    features: vec!(),
-                    extensions: vec!(),
                 };
                 self.proxy.send(Iq {
                     to: Some(recipient),
diff --git a/src/plugins/disco.rs b/src/plugins/disco.rs
index 712d945e..20912592 100644
--- a/src/plugins/disco.rs
+++ b/src/plugins/disco.rs
@@ -1,4 +1,4 @@
-use std::convert::TryFrom;
+use try_from::TryFrom;
 use std::sync::{Mutex, Arc};
 
 use plugin::PluginProxy;
@@ -7,7 +7,7 @@ use jid::Jid;
 
 use plugins::stanza::Iq;
 use xmpp_parsers::iq::IqType;
-use xmpp_parsers::disco::{Disco, Identity, Feature};
+use xmpp_parsers::disco::{DiscoInfoQuery, DiscoInfoResult as DiscoInfoResult_, Identity, Feature};
 use xmpp_parsers::data_forms::DataForm;
 use xmpp_parsers::ns;
 
@@ -22,7 +22,7 @@ pub struct DiscoInfoRequest {
 pub struct DiscoInfoResult {
     pub from: Jid,
     pub id: String,
-    pub disco: Disco,
+    pub disco: DiscoInfoResult_,
 }
 
 impl Event for DiscoInfoRequest {}
@@ -30,14 +30,14 @@ impl Event for DiscoInfoResult {}
 
 pub struct DiscoPlugin {
     proxy: PluginProxy,
-    cached_disco: Arc<Mutex<Disco>>,
+    cached_disco: Arc<Mutex<DiscoInfoResult_>>,
 }
 
 impl DiscoPlugin {
     pub fn new(category: &str, type_: &str, lang: &str, name: &str) -> DiscoPlugin {
         DiscoPlugin {
             proxy: PluginProxy::new(),
-            cached_disco: Arc::new(Mutex::new(Disco {
+            cached_disco: Arc::new(Mutex::new(DiscoInfoResult_ {
                 node: None,
                 identities: vec!(Identity {
                     category: category.to_owned(),
@@ -96,7 +96,7 @@ impl DiscoPlugin {
     fn handle_iq(&self, iq: &Iq) -> Propagation {
         let iq = iq.clone();
         if let IqType::Get(payload) = iq.payload {
-            if let Ok(disco) = Disco::try_from(payload) {
+            if let Ok(disco) = DiscoInfoQuery::try_from(payload) {
                 self.proxy.dispatch(DiscoInfoRequest {
                     from: iq.from.unwrap(),
                     id: iq.id.unwrap(),
@@ -105,7 +105,7 @@ impl DiscoPlugin {
                 return Propagation::Stop;
             }
         } else if let IqType::Result(Some(payload)) = iq.payload {
-            if let Ok(disco) = Disco::try_from(payload) {
+            if let Ok(disco) = DiscoInfoResult_::try_from(payload) {
                 self.proxy.dispatch(DiscoInfoResult {
                     from: iq.from.unwrap(),
                     id: iq.id.unwrap(),
diff --git a/src/plugins/ibb.rs b/src/plugins/ibb.rs
index 27646a0f..a8738a27 100644
--- a/src/plugins/ibb.rs
+++ b/src/plugins/ibb.rs
@@ -1,6 +1,6 @@
 use std::collections::{HashMap, BTreeMap};
 use std::collections::hash_map::Entry;
-use std::convert::TryFrom;
+use try_from::TryFrom;
 use std::sync::{Mutex, Arc};
 
 use plugin::PluginProxy;
@@ -9,7 +9,7 @@ use jid::Jid;
 
 use plugins::stanza::Iq;
 use plugins::disco::DiscoPlugin;
-use xmpp_parsers::iq::{IqType, IqPayload};
+use xmpp_parsers::iq::{IqType, IqSetPayload};
 use xmpp_parsers::ibb::{IBB, Stanza};
 use xmpp_parsers::stanza_error::{StanzaError, ErrorType, DefinedCondition};
 use xmpp_parsers::ns;
@@ -163,8 +163,8 @@ impl IbbPlugin {
             let from = iq.from.unwrap();
             let id = iq.id.unwrap();
             // TODO: use an intermediate plugin to parse this payload.
-            let payload = match IqPayload::try_from(payload) {
-                Ok(IqPayload::IBB(ibb)) => {
+            let payload = match IqSetPayload::try_from(payload) {
+                Ok(IqSetPayload::IBB(ibb)) => {
                     match self.handle_ibb(from.clone(), ibb) {
                         Ok(_) => IqType::Result(None),
                         Err(error) => IqType::Error(error),
diff --git a/src/plugins/messaging.rs b/src/plugins/messaging.rs
index c29adc34..9b0d1d43 100644
--- a/src/plugins/messaging.rs
+++ b/src/plugins/messaging.rs
@@ -1,4 +1,4 @@
-use std::convert::TryFrom;
+use try_from::TryFrom;
 use std::collections::BTreeMap;
 
 use plugin::PluginProxy;
diff --git a/src/plugins/muc.rs b/src/plugins/muc.rs
index 9d8d6519..c316ba34 100644
--- a/src/plugins/muc.rs
+++ b/src/plugins/muc.rs
@@ -1,5 +1,5 @@
 use std::collections::BTreeMap;
-use std::convert::TryFrom;
+use try_from::TryFrom;
 
 use jid::Jid;
 use error::Error;
diff --git a/src/plugins/ping.rs b/src/plugins/ping.rs
index aeca7a21..def22ba3 100644
--- a/src/plugins/ping.rs
+++ b/src/plugins/ping.rs
@@ -1,4 +1,4 @@
-use std::convert::TryFrom;
+use try_from::TryFrom;
 
 use plugin::PluginProxy;
 use event::{Event, Priority, Propagation};
@@ -7,7 +7,7 @@ use jid::Jid;
 
 use plugins::stanza::Iq;
 use plugins::disco::DiscoPlugin;
-use xmpp_parsers::iq::{IqType, IqPayload};
+use xmpp_parsers::iq::{IqType, IqGetPayload};
 use xmpp_parsers::ping::Ping;
 use xmpp_parsers::ns;
 
@@ -54,7 +54,7 @@ impl PingPlugin {
             from: None,
             to: Some(to),
             id: Some(self.proxy.gen_id()),
-            payload: IqType::Get(IqPayload::Ping(Ping).into()),
+            payload: IqType::Get(IqGetPayload::Ping(Ping).into()),
         }.into());
         Ok(())
     }
@@ -63,7 +63,7 @@ impl PingPlugin {
         let iq = iq.clone();
         if let IqType::Get(payload) = iq.payload {
             // TODO: use an intermediate plugin to parse this payload.
-            if let Ok(IqPayload::Ping(_)) = IqPayload::try_from(payload) {
+            if let Ok(IqGetPayload::Ping(_)) = IqGetPayload::try_from(payload) {
                 self.proxy.dispatch(PingEvent { // TODO: safety!!!
                     from: iq.from.unwrap(),
                     id: iq.id.unwrap(),
diff --git a/src/plugins/roster.rs b/src/plugins/roster.rs
index 8bd8166c..487a90ff 100644
--- a/src/plugins/roster.rs
+++ b/src/plugins/roster.rs
@@ -1,5 +1,5 @@
 use std::collections::HashMap;
-use std::convert::TryFrom;
+use try_from::TryFrom;
 use std::sync::Mutex;
 
 use plugin::PluginProxy;
@@ -8,7 +8,7 @@ use jid::Jid;
 
 use plugins::stanza::Iq;
 use plugins::disco::DiscoPlugin;
-use xmpp_parsers::iq::{IqType, IqPayload};
+use xmpp_parsers::iq::{IqType, IqSetPayload, IqResultPayload};
 use xmpp_parsers::roster::{Roster, Item, Subscription};
 use xmpp_parsers::ns;
 
@@ -140,8 +140,8 @@ impl RosterPlugin {
         let id = iq.id.unwrap();
         match iq.payload {
             IqType::Result(Some(payload)) => {
-                match IqPayload::try_from(payload) {
-                    Ok(IqPayload::Roster(roster)) => {
+                match IqResultPayload::try_from(payload) {
+                    Ok(IqResultPayload::Roster(roster)) => {
                         self.handle_roster_reply(roster);
                         Propagation::Stop
                     },
@@ -150,8 +150,8 @@ impl RosterPlugin {
                 }
             },
             IqType::Set(payload) => {
-                match IqPayload::try_from(payload) {
-                    Ok(IqPayload::Roster(roster)) => {
+                match IqSetPayload::try_from(payload) {
+                    Ok(IqSetPayload::Roster(roster)) => {
                         let payload = match self.handle_roster_push(roster) {
                             Ok(_) => IqType::Result(None),
                             Err(string) => {
diff --git a/src/plugins/stanza.rs b/src/plugins/stanza.rs
index 7bc6abae..894bdc3d 100644
--- a/src/plugins/stanza.rs
+++ b/src/plugins/stanza.rs
@@ -1,4 +1,4 @@
-use std::convert::TryFrom;
+use try_from::TryFrom;
 
 use plugin::PluginProxy;
 use event::{Event, ReceiveElement, Propagation, Priority};