diff --git a/backend/internal/server/api_contract_test.go b/backend/internal/server/api_contract_test.go
index 39637ae6..a6bd50ac 100644
--- a/backend/internal/server/api_contract_test.go
+++ b/backend/internal/server/api_contract_test.go
@@ -537,6 +537,7 @@ func TestAPIContracts(t *testing.T) {
 					"purchase_subscription_enabled": false,
 					"purchase_subscription_url": "",
 					"min_claude_code_version": "",
+					"max_claude_code_version": "",
 					"allow_ungrouped_key_scheduling": false,
 					"backend_mode_enabled": false,
 					"custom_menu_items": []