diff --git a/manifests/monitoring/prometheus-stack.jsonnet b/manifests/monitoring/prometheus-stack.jsonnet
index 501de7a..ea97eec 100644
--- a/manifests/monitoring/prometheus-stack.jsonnet
+++ b/manifests/monitoring/prometheus-stack.jsonnet
@@ -2,7 +2,7 @@
 local app = import "../../_templates/argocd_app.libsonnet";
 
 local vars = {
-	"version": "51.9.1",
+	"version": "51.9.4",
 	"namespace": "metrics"
 };