diff --git a/charts/stable/prometheus/Chart.yaml b/charts/stable/prometheus/Chart.yaml
index 2228aa7ac64..17a094f3477 100644
--- a/charts/stable/prometheus/Chart.yaml
+++ b/charts/stable/prometheus/Chart.yaml
@@ -29,7 +29,7 @@ sources:
   - https://github.com/prometheus-community/helm-charts
   - https://github.com/prometheus-operator/kube-prometheus
 type: application
-version: 7.0.19
+version: 7.0.20
 annotations:
   truecharts.org/catagories: |
     - metrics
diff --git a/charts/stable/prometheus/values.yaml b/charts/stable/prometheus/values.yaml
index b38eb082ae2..02a00238849 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:cd41860aee736ca669809c42fe56e90d4b1f341bf81aaa0bca31d06a0b78a2c3
+  tag: v0.24.0@sha256:13b83c988c4d5f4064950ba0ec685d02f2f531ae476fae0c47a92d95bac109f1
 
 global:
   labels: {}