diff --git a/jsonnet/kube-prometheus/alertmanager/alertmanager.libsonnet b/jsonnet/kube-prometheus/alertmanager/alertmanager.libsonnet
index 0fb1826deba0812edc1fdf7280c81a09c366a172..4f39af3975f3e9f59be69e25fca11d0d651fb281 100644
--- a/jsonnet/kube-prometheus/alertmanager/alertmanager.libsonnet
+++ b/jsonnet/kube-prometheus/alertmanager/alertmanager.libsonnet
@@ -5,7 +5,7 @@ local k = import 'ksonnet/ksonnet.beta.4/k.libsonnet';
     namespace: 'default',
 
     versions+:: {
-      alertmanager: 'v0.20.0',
+      alertmanager: 'v0.21.0',
     },
 
     imageRepos+:: {
diff --git a/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet b/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
index 17e8bff7960df27d7624e8219a5048a2940eff9f..bd128d2e3c5c4409449d6ffadb4f565d62824394 100644
--- a/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
+++ b/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
@@ -6,7 +6,7 @@ local k = import 'ksonnet/ksonnet.beta.4/k.libsonnet';
     namespace: 'default',
 
     versions+:: {
-      prometheus: 'v2.17.2',
+      prometheus: 'v2.19.2',
     },
 
     imageRepos+:: {
diff --git a/manifests/alertmanager-alertmanager.yaml b/manifests/alertmanager-alertmanager.yaml
index 17ec23288c33ba3b796859254240c05ee1f5b368..55b353a8f12b9302a2292b0db66832e5f841bcbb 100644
--- a/manifests/alertmanager-alertmanager.yaml
+++ b/manifests/alertmanager-alertmanager.yaml
@@ -6,7 +6,7 @@ metadata:
   name: main
   namespace: monitoring
 spec:
-  image: quay.io/prometheus/alertmanager:v0.20.0
+  image: quay.io/prometheus/alertmanager:v0.21.0
   nodeSelector:
     kubernetes.io/os: linux
   replicas: 3
@@ -15,4 +15,4 @@ spec:
     runAsNonRoot: true
     runAsUser: 1000
   serviceAccountName: alertmanager-main
-  version: v0.20.0
+  version: v0.21.0
diff --git a/manifests/prometheus-prometheus.yaml b/manifests/prometheus-prometheus.yaml
index 9c364230845bfbc1823569c679a546e88579e829..11a4c5d3af79824f8a6cc4eab19d61def2884e44 100644
--- a/manifests/prometheus-prometheus.yaml
+++ b/manifests/prometheus-prometheus.yaml
@@ -11,7 +11,7 @@ spec:
     - name: alertmanager-main
       namespace: monitoring
       port: web
-  image: quay.io/prometheus/prometheus:v2.17.2
+  image: quay.io/prometheus/prometheus:v2.19.2
   nodeSelector:
     kubernetes.io/os: linux
   podMonitorNamespaceSelector: {}
@@ -31,4 +31,4 @@ spec:
   serviceAccountName: prometheus-k8s
   serviceMonitorNamespaceSelector: {}
   serviceMonitorSelector: {}
-  version: v2.17.2
+  version: v2.19.2