diff --git a/src/workos/types/user_management/invitation.py b/src/workos/types/user_management/invitation.py
index 9c31e26f..5610e0f5 100644
--- a/src/workos/types/user_management/invitation.py
+++ b/src/workos/types/user_management/invitation.py
@@ -15,6 +15,7 @@ class InvitationCommon(WorkOSModel):
     expires_at: str
     organization_id: Optional[str] = None
     inviter_user_id: Optional[str] = None
+    accepted_user_id: Optional[str] = None
     created_at: str
     updated_at: str