diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd72d8ff..35ec1476 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ Breaking changes:
   * Remove `bind_email` request field (removed in r0.6.0)
   * Remove `inhibit_login` request field, make `access_token` and `device_id` response fields optional (added in r0.4.0)
   * Remove deprecated `home_server` response field (removed in r0.4.0)
+* Add `auth_parameters` to `r0::account::AuthenticationData` 
 
 # 0.7.2
 
diff --git a/src/r0/account.rs b/src/r0/account.rs
index 4064aa37..8b870bae 100644
--- a/src/r0/account.rs
+++ b/src/r0/account.rs
@@ -17,6 +17,8 @@ pub mod unbind_3pid;
 
 pub mod whoami;
 
+use std::collections::BTreeMap;
+
 use serde::{Deserialize, Serialize};
 
 /// Additional authentication information for the user-interactive authentication API.
@@ -27,6 +29,9 @@ pub struct AuthenticationData {
     pub kind: String,
     /// The value of the session key given by the homeserver.
     pub session: Option<String>,
+    /// Parameters submitted for a particular authentication stage.
+    #[serde(flatten)]
+    pub auth_parameters: BTreeMap<String, serde_json::Value>,
 }
 
 /// Additional authentication information for requestToken endpoints.