diff --git a/charts/traceability-foss/charts/backend/Chart.yaml b/charts/traceability-foss/charts/backend/Chart.yaml
index 0e18b1b28b..08daf283b8 100644
--- a/charts/traceability-foss/charts/backend/Chart.yaml
+++ b/charts/traceability-foss/charts/backend/Chart.yaml
@@ -33,7 +33,7 @@ dependencies:
     condition: pgadmin4.enabled
   - name: irs-helm
     repository: https://eclipse-tractusx.github.io/item-relationship-service
-    version: 6.9.1
+    version: 6.18.0
     condition: irs-helm.enabled
   - name: irs-edc-consumer
     repository: https://eclipse-tractusx.github.io/item-relationship-service