diff --git a/system/kube-monitoring-admin-k3s/Chart.lock b/system/kube-monitoring-admin-k3s/Chart.lock
index 0f35c62ff2e..44ecda526a7 100644
--- a/system/kube-monitoring-admin-k3s/Chart.lock
+++ b/system/kube-monitoring-admin-k3s/Chart.lock
@@ -49,6 +49,6 @@ dependencies:
   version: 1.1.7
 - name: blackbox-exporter
   repository: https://charts.eu-de-2.cloud.sap
-  version: 2.1.2
-digest: sha256:24697daaaf4b5aa16f16a9944ffa7a18e0ef72cd0e1814821cd06087263f6d09
-generated: "2022-04-27T16:11:39.723353+02:00"
+  version: 2.2.1
+digest: sha256:08c85a3e9a6b80afccc5d9f04953de01414e106dc1218120a4277b084b29526c
+generated: "2022-04-28T11:45:17.725988+02:00"
diff --git a/system/kube-monitoring-admin-k3s/Chart.yaml b/system/kube-monitoring-admin-k3s/Chart.yaml
index c63c5d43502..114f13c8b83 100644
--- a/system/kube-monitoring-admin-k3s/Chart.yaml
+++ b/system/kube-monitoring-admin-k3s/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: "1.0"
 description: Kubernetes admin k3s cluster monitoring.
 name: kube-monitoring-admin-k3s
-version: 3.0.10
+version: 3.0.11
 home: https://github.com/sapcc/helm-charts/tree/master/system/kube-monitoring-admin-k3s
 dependencies:
   - condition: absent-metrics-operator.enabled
@@ -56,4 +56,4 @@ dependencies:
     version: 1.1.7
   - name: blackbox-exporter
     repository: https://charts.eu-de-2.cloud.sap
-    version: 2.1.2
+    version: 2.2.1
diff --git a/system/kube-monitoring-metal/Chart.lock b/system/kube-monitoring-metal/Chart.lock
index 0686a4cad0f..ce0386cec2d 100644
--- a/system/kube-monitoring-metal/Chart.lock
+++ b/system/kube-monitoring-metal/Chart.lock
@@ -7,7 +7,7 @@ dependencies:
   version: 0.7.6
 - name: blackbox-exporter
   repository: https://charts.eu-de-2.cloud.sap
-  version: 2.1.2
+  version: 2.2.1
 - name: event-exporter
   repository: https://charts.eu-de-2.cloud.sap
   version: 0.2.6
@@ -56,5 +56,5 @@ dependencies:
 - name: prober-static
   repository: https://charts.eu-de-2.cloud.sap
   version: 0.1.3
-digest: sha256:2e76728dbe536488ca74dd6bbf2945a46777c8df4d478521dbcabe3b5af13d9a
-generated: "2022-04-27T16:12:43.529387+02:00"
+digest: sha256:9a6a2de1e4495d566d9670fcf6fe837a0d8f82393a668b66af82e4547dbd7b6c
+generated: "2022-04-28T11:48:04.9533+02:00"
diff --git a/system/kube-monitoring-metal/Chart.yaml b/system/kube-monitoring-metal/Chart.yaml
index 9a4c1bc963e..31a7a2479f9 100644
--- a/system/kube-monitoring-metal/Chart.yaml
+++ b/system/kube-monitoring-metal/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: "1.0"
 description: Kubernetes metal controlplane monitoring.
 name: kube-monitoring-metal
-version: 4.1.1
+version: 4.1.2
 home: https://github.com/sapcc/helm-charts/tree/master/system/kube-monitoring-metal
 dependencies:
   - name: pvc-exporter
@@ -14,7 +14,7 @@ dependencies:
     version: 0.7.6
   - name: blackbox-exporter
     repository: https://charts.eu-de-2.cloud.sap
-    version: 2.1.2
+    version: 2.2.1
   - name: event-exporter
     repository: https://charts.eu-de-2.cloud.sap
     version: 0.2.6