diff --git a/crates/handlers/src/oauth2/discovery.rs b/crates/handlers/src/oauth2/discovery.rs
index 4530ea820..62f560130 100644
--- a/crates/handlers/src/oauth2/discovery.rs
+++ b/crates/handlers/src/oauth2/discovery.rs
@@ -89,6 +89,7 @@ pub(crate) async fn get(
             GrantType::AuthorizationCode,
             GrantType::RefreshToken,
             GrantType::ClientCredentials,
+            GrantType::TokenExchange,
         ];
         if site_config.device_code_grant_enabled {
             types.push(GrantType::DeviceCode);