diff --git a/charts/premium/prometheus/Chart.yaml b/charts/premium/prometheus/Chart.yaml
index 5a5f70bdf6a..c7ef2cd91ff 100644
--- a/charts/premium/prometheus/Chart.yaml
+++ b/charts/premium/prometheus/Chart.yaml
@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: premium
 apiVersion: v2
-appVersion: 2.55.0
+appVersion: 2.55.1
 dependencies:
   - name: common
     version: 25.1.5
@@ -42,4 +42,4 @@ sources:
   - https://hub.docker.com/r/bitnami/prometheus
   - https://quay.io/thanos/thanos
 type: application
-version: 19.28.0
+version: 19.28.1
diff --git a/charts/premium/prometheus/values.yaml b/charts/premium/prometheus/values.yaml
index 3378fdd91eb..283b5034425 100644
--- a/charts/premium/prometheus/values.yaml
+++ b/charts/premium/prometheus/values.yaml
@@ -1,6 +1,6 @@
 image:
   repository: docker.io/bitnami/prometheus
-  tag: 2.55.0@sha256:8f11ee33d862ffd0282e289ac72f1e2006741369e287534b1a72429ee03a8b72
+  tag: 2.55.1@sha256:e1b80433936518a73a74ded46d67bf92036b3c138f6c5984adc19ec742ceec95
 thanosImage:
   repository: quay.io/thanos/thanos
   tag: v0.36.1@sha256:e542959e1b36d5046083d1b64a7049c356b68a44a173c58b3ae7c0c9ada932d5