diff --git a/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml b/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
index 9c61edb95..8bf537fb0 100644
--- a/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
+++ b/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
@@ -123,7 +123,7 @@ ntfy-alertmanager:
         main:
           image:
             repository: xenrox/ntfy-alertmanager
-            tag: 0.4.0
+            tag: 0.5.0
             pullPolicy: IfNotPresent
   service:
     main: