diff --git a/ruma-client-api/src/r0/session/get_login_types.rs b/ruma-client-api/src/r0/session/get_login_types.rs
index c2050663..785f2a3e 100644
--- a/ruma-client-api/src/r0/session/get_login_types.rs
+++ b/ruma-client-api/src/r0/session/get_login_types.rs
@@ -49,6 +49,10 @@ pub enum LoginType {
     /// Token-based login.
     #[serde(rename = "m.login.token")]
     Token,
+
+    /// SSO-based login.
+    #[serde(rename = "m.login.sso")]
+    Sso,
 }
 
 #[cfg(test)]