diff --git a/app-of-apps/templates/prometheus/application.yaml b/app-of-apps/templates/prometheus/application.yaml
index 7fa3ae9..2343b14 100644
--- a/app-of-apps/templates/prometheus/application.yaml
+++ b/app-of-apps/templates/prometheus/application.yaml
@@ -8,7 +8,7 @@ spec:
   project: default
   source:
     repoURL: https://prometheus-community.github.io/helm-charts
-    targetRevision: 62.7.0
+    targetRevision: 66.4.0
     chart: kube-prometheus-stack
 
     helm: