diff --git a/projects/grafana/values/kube-prometheus-stack.yaml b/projects/grafana/values/kube-prometheus-stack.yaml
index 996c4b49..18a0977e 100644
--- a/projects/grafana/values/kube-prometheus-stack.yaml
+++ b/projects/grafana/values/kube-prometheus-stack.yaml
@@ -420,7 +420,7 @@ alertmanager:
     ##
     image:
       repository: quay.io/prometheus/alertmanager
-      tag: v0.24.0
+      tag: v0.25.0
       sha: ""
 
     ## If true then the user will be responsible to provide a secret with alertmanager configuration