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+:: {