diff --git a/app/controllers/api/v1/crew_memberships_controller.rb b/app/controllers/api/v1/crew_memberships_controller.rb
index c82fc68..dc18ec5 100644
--- a/app/controllers/api/v1/crew_memberships_controller.rb
+++ b/app/controllers/api/v1/crew_memberships_controller.rb
@@ -66,7 +66,7 @@ module Api
       end
 
       def membership_params
-        params.require(:membership).permit(:role, :joined_at, :retired)
+        params.require(:membership).permit(:role, :joined_at, :retired, :retired_at)
       end
 
       def authorize_membership_update!
diff --git a/app/controllers/api/v1/phantom_players_controller.rb b/app/controllers/api/v1/phantom_players_controller.rb
index d4b7907..1be9a5c 100644
--- a/app/controllers/api/v1/phantom_players_controller.rb
+++ b/app/controllers/api/v1/phantom_players_controller.rb
@@ -97,7 +97,7 @@ module Api
       end
 
       def phantom_params
-        params.require(:phantom_player).permit(:name, :granblue_id, :notes, :joined_at, :retired)
+        params.require(:phantom_player).permit(:name, :granblue_id, :notes, :joined_at, :retired, :retired_at)
       end
 
       def bulk_params