diff --git a/charts/stable/external-service/Chart.yaml b/charts/stable/external-service/Chart.yaml
index e2e70ec10bb..7bd82703375 100644
--- a/charts/stable/external-service/Chart.yaml
+++ b/charts/stable/external-service/Chart.yaml
@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 3.20.3
+appVersion: 3.21.0
 dependencies:
   - name: common
     version: 25.2.2
@@ -32,4 +32,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/external-service
   - https://hub.docker.com/_/alpine
 type: application
-version: 15.3.0
+version: 15.4.0
diff --git a/charts/stable/external-service/values.yaml b/charts/stable/external-service/values.yaml
index 26a03c5b57c..16ff74feda7 100644
--- a/charts/stable/external-service/values.yaml
+++ b/charts/stable/external-service/values.yaml
@@ -2,7 +2,7 @@
 image:
   repository: alpine
   pullPolicy: IfNotPresent
-  tag: 3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
+  tag: 3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 
 global:
   # Ignore isStopped