diff --git a/stable/nats/Chart.yaml b/stable/nats/Chart.yaml
index 83b6bee2ad..8be36c2924 100644
--- a/stable/nats/Chart.yaml
+++ b/stable/nats/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: nats
-version: 2.5.2
+version: 2.5.3
 appVersion: 1.4.1
 description: An open-source, cloud-native messaging system
 keywords:
diff --git a/stable/nats/templates/NOTES.txt b/stable/nats/templates/NOTES.txt
index af444340cc..4fc31625e9 100644
--- a/stable/nats/templates/NOTES.txt
+++ b/stable/nats/templates/NOTES.txt
@@ -90,7 +90,7 @@ To access the Monitoring svc from outside the cluster, follow the steps below:
 
 {{- include "nats.validateValues" . -}}
 
-{{- if and (contains "bitnami/" .Values.image.repository) (not (.Values.image.tag | regexFind "-r\\d+$")) }}
+{{- if and (contains "bitnami/" .Values.image.repository) (not (.Values.image.tag | toString | regexFind "-r\\d+$|sha256:")) }}
 
 WARNING: Rolling tag detected ({{ .Values.image.repository }}:{{ .Values.image.tag }}), please note that it is strongly recommended to avoid using rolling tags in a production environment.
 +info https://docs.bitnami.com/containers/how-to/understand-rolling-tags-containers/