diff --git a/charts/zitadel/Chart.yaml b/charts/zitadel/Chart.yaml
index d333331..af56c71 100644
--- a/charts/zitadel/Chart.yaml
+++ b/charts/zitadel/Chart.yaml
@@ -3,7 +3,7 @@ name: zitadel
 description: A Helm chart for ZITADEL
 type: application
 appVersion: v2.65.3
-version: 8.7.0
+version: 8.7.1
 kubeVersion: '>= 1.21.0-0'
 icon: https://zitadel.com/zitadel-logo-dark.svg
 maintainers:
diff --git a/charts/zitadel/templates/service.yaml b/charts/zitadel/templates/service.yaml
index 78c8b26..df68ee6 100644
--- a/charts/zitadel/templates/service.yaml
+++ b/charts/zitadel/templates/service.yaml
@@ -21,7 +21,7 @@ spec:
       protocol: TCP
       name: {{ regexReplaceAll "\\W+" .Values.service.protocol "-" }}-server
       {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
-      appProtocol: {{ .Values.service.protocol }}
+      appProtocol: {{ .Values.service.appProtocol }}
       {{- end }}
   selector:
     {{- include "zitadel.selectorLabels" . | nindent 4 }}
diff --git a/charts/zitadel/values.yaml b/charts/zitadel/values.yaml
index df0720d..d68b6c1 100644
--- a/charts/zitadel/values.yaml
+++ b/charts/zitadel/values.yaml
@@ -143,6 +143,7 @@ service:
   clusterIP: ""
   port: 8080
   protocol: http2
+  appProtocol: kubernetes.io/h2c
   annotations: {}
   scheme: HTTP