diff --git a/apps/monitoring-app.yaml b/apps/monitoring-app.yaml
index 215f6dc..ed1c361 100644
--- a/apps/monitoring-app.yaml
+++ b/apps/monitoring-app.yaml
@@ -10,6 +10,9 @@ spec:
     chart: kube-prometheus-stack
     targetRevision: 58.3.3
     helm:
+      parameters:
+        - name: prometheusOperator.admissionWebhooks.patch.ttlSecondsAfterFinished
+          value: "60"
       valuesObject:
         grafana:
           ingress: