diff --git a/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml b/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
index cd42aefeb..d970441e8 100644
--- a/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
+++ b/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
@@ -148,7 +148,7 @@ ntfy-alertmanager:
         main:
           image:
             repository: xenrox/ntfy-alertmanager
-            tag: 0.5.0
+            tag: 1.0.0
             pullPolicy: IfNotPresent
   service:
     main: