diff --git a/Cargo.toml b/Cargo.toml
index 4e50f19..a715033 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,8 +23,8 @@ fibers_transport = "0.1"
 futures = "0.1"
 log = "0.4"
 rand = "0.8"
-rustun = "0.4"
-stun_codec = "0.2"
+rustun = "0.5"
+stun_codec = "0.3"
 trackable = "1"
 
 [dev-dependencies]
diff --git a/src/auth.rs b/src/auth.rs
index 8cec325..a59095b 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -68,9 +68,9 @@ impl AuthParams {
     {
         let realm = track_assert_some!(self.realm.clone(), ErrorKind::Other);
         let nonce = track_assert_some!(self.nonce.clone(), ErrorKind::Other);
-        message.as_mut().add_attribute(self.username.clone().into());
-        message.as_mut().add_attribute(realm.clone().into());
-        message.as_mut().add_attribute(nonce.into());
+        message.as_mut().add_attribute(self.username.clone());
+        message.as_mut().add_attribute(realm.clone());
+        message.as_mut().add_attribute(nonce);
         let mi = track!(
             rfc5389::attributes::MessageIntegrity::new_long_term_credential(
                 message.as_mut(),
@@ -79,7 +79,7 @@ impl AuthParams {
                 &self.password,
             )
         )?;
-        message.as_mut().add_attribute(mi.into());
+        message.as_mut().add_attribute(mi);
         Ok(())
     }