diff --git a/kubernetes/apps/observability/alertmanager/silencer/helmrelease.yaml b/kubernetes/apps/observability/alertmanager/silencer/helmrelease.yaml
index 54093a4f..97fb9b95 100644
--- a/kubernetes/apps/observability/alertmanager/silencer/helmrelease.yaml
+++ b/kubernetes/apps/observability/alertmanager/silencer/helmrelease.yaml
@@ -40,6 +40,7 @@ spec:
               SCRIPT_NAME: alertmanager-silencer.sh
               ALERTMANAGER_URL: http://alertmanager.observability.svc.cluster.local:9093
               MATCHERS_0: alertname=CephPGImbalance job=rook-ceph-exporter
+              MATCHERS_1: alertname=CephMonClockSkew job=rook-ceph-mgr
             securityContext:
               allowPrivilegeEscalation: false
               readOnlyRootFilesystem: true