diff --git a/class/defaults.yml b/class/defaults.yml
index d8b20c9e..804144e0 100644
--- a/class/defaults.yml
+++ b/class/defaults.yml
@@ -12,7 +12,7 @@ parameters:
     charts:
       loki:
         source: https://grafana-community.github.io/helm-charts
-        version: 18.5.4
+        version: 18.8.0
 
     images:
       loki: