diff --git a/roles/service-prometheus/defaults/main.yml b/roles/service-prometheus/defaults/main.yml
index e1e9570..2a3c84d 100644
--- a/roles/service-prometheus/defaults/main.yml
+++ b/roles/service-prometheus/defaults/main.yml
@@ -9,10 +9,10 @@ prometheus_components:
 prometheus_user: prometheus
 prometheus_group: prometheus
 
-prometheus_version: 2.8.1
+prometheus_version: 2.9.1
 node_exporter_version: 0.17.0
 blackbox_exporter_version: 0.14.0
-alertmanager_version: 0.16.1
+alertmanager_version: 0.16.2
 
 prometheus_url_external: "{{ http_prometheus_prefix }}.{{ http_domain_external }}"
 prometheus_url_internal: "{{ http_prometheus_prefix }}.{{ http_domain_internal }}"