diff --git a/charts/premium/prometheus/Chart.yaml b/charts/premium/prometheus/Chart.yaml
index ddb92f59383..41e9466de92 100644
--- a/charts/premium/prometheus/Chart.yaml
+++ b/charts/premium/prometheus/Chart.yaml
@@ -43,4 +43,4 @@ sources:
   - https://hub.docker.com/r/bitnami/prometheus
   - https://hub.docker.com/r/bitnami/alertmanager
 type: application
-version: 18.2.0
+version: 18.2.1
diff --git a/charts/premium/prometheus/values.yaml b/charts/premium/prometheus/values.yaml
index 453de6df73c..39303b6d30c 100644
--- a/charts/premium/prometheus/values.yaml
+++ b/charts/premium/prometheus/values.yaml
@@ -6,7 +6,7 @@ thanosImage:
   tag: v0.35.0@sha256:fa1d28718df00b68d6ad85d7c7d4703bd9f59e5cd8be8da6540ea398cf701a1f
 alertmanagerImage:
   repository: bitnami/alertmanager
-  tag: 0.27.0@sha256:69daa81230a814569e5180b0d6ea1a77054fa36589a4d0c823153c7074f6c142
+  tag: 0.27.0@sha256:be756c58a16f7298a1dd6d3b8b52b625627c57f846331174893fe859b0e0ba08
 global:
   labels: {}
 workload: