diff --git a/roles/service-prometheus/defaults/main.yml b/roles/service-prometheus/defaults/main.yml
index 5028d8f..38e2ef7 100644
--- a/roles/service-prometheus/defaults/main.yml
+++ b/roles/service-prometheus/defaults/main.yml
@@ -9,7 +9,7 @@ prometheus_components:
 prometheus_user: prometheus
 prometheus_group: prometheus
 
-prometheus_version: 2.4.0
+prometheus_version: 2.4.2
 node_exporter_version: 0.16.0
 alertmanager_version: 0.15.2