diff --git a/jsonnet/kube-prometheus/alertmanager/alertmanager.libsonnet b/jsonnet/kube-prometheus/alertmanager/alertmanager.libsonnet
index 404f95169125fe51fd8c12273039d04fae3b4cc9..24e2dc8e6a7d0e5999e58c05061f8ea16a575e57 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: 'v0.17.0',
+      alertmanager: 'v0.18.0',
     },
 
     imageRepos+:: {
diff --git a/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet b/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
index ebb3c9b00d5e93a12ad8382c73482d88d52e95ac..feb720ef8d4811df39b04e792665b06743b0b47f 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: 'v2.10.0',
+      prometheus: 'v2.11.0',
     },
 
     imageRepos+:: {