diff --git a/charts/root/templates/prometheus/app.yaml b/charts/root/templates/prometheus/app.yaml
index 3b7e6ee8..823c3b81 100644
--- a/charts/root/templates/prometheus/app.yaml
+++ b/charts/root/templates/prometheus/app.yaml
@@ -12,7 +12,7 @@ spec:
   source:
     chart: kube-prometheus-stack
     repoURL: https://prometheus-community.github.io/helm-charts
-    targetRevision: 66.6.0
+    targetRevision: 66.7.0
     helm:
       valuesObject:
         alertmanager: