diff --git a/charts/stable/prometheus/values.yaml b/charts/stable/prometheus/values.yaml
index 41842503490..52133ccad42 100644
--- a/charts/stable/prometheus/values.yaml
+++ b/charts/stable/prometheus/values.yaml
@@ -8,7 +8,7 @@ thanosImage:
 
 alertmanagerImage:
   repository: tccr.io/truecharts/alertmanager
-  tag: v0.24.0@sha256:13b83c988c4d5f4064950ba0ec685d02f2f531ae476fae0c47a92d95bac109f1
+  tag: 0.25.0@sha256:5fe7bfa9ef08dd8fcfb8264b74bc163fefa8e087cef78a82e9d99c0299290566
 
 global:
   labels: {}