diff --git a/app/api/routes.py b/app/api/routes.py
index ca978c2..200e8ae 100644
--- a/app/api/routes.py
+++ b/app/api/routes.py
@@ -15,6 +15,7 @@ from app.models.resource_models import (
 from app.services.validation_service import ValidationService
 from app.services.report_service import ReportService
 from app.services.historical_analysis import HistoricalAnalysisService
+from app.core.prometheus_client import PrometheusClient
 
 logger = logging.getLogger(__name__)