diff --git a/charts/kube-prometheus-stack/values.yaml b/charts/kube-prometheus-stack/values.yaml
index 4ab82cf..1766e90 100644
--- a/charts/kube-prometheus-stack/values.yaml
+++ b/charts/kube-prometheus-stack/values.yaml
@@ -948,7 +948,7 @@ alertmanager:
     image:
       registry: quay.io
       repository: prometheus/alertmanager
-      tag: v0.32.0
+      tag: v0.33.0
       sha: ""
       pullPolicy: IfNotPresent