diff --git a/charts/dex/Chart.yaml b/charts/dex/Chart.yaml
index d489684e..a9480a45 100644
--- a/charts/dex/Chart.yaml
+++ b/charts/dex/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 type: application
 name: dex
-version: 0.24.0
+version: 0.24.1
 appVersion: "2.44.0"
 kubeVersion: ">=1.14.0-0"
 description: OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors.
@@ -22,7 +22,7 @@ maintainers:
 annotations:
   artifacthub.io/changes: |
     - kind: changed
-      description: "Update Dex to 2.44.0"
+      description: "Fix GRPC service appProtocol"
   artifacthub.io/images: |
     - name: dex
       image: ghcr.io/dexidp/dex:v2.44.0
diff --git a/charts/dex/README.md b/charts/dex/README.md
index 552d6f01..56f2d6cd 100644
--- a/charts/dex/README.md
+++ b/charts/dex/README.md
@@ -1,6 +1,6 @@
 # dex
 
-![version: 0.24.0](https://img.shields.io/badge/version-0.24.0-informational?style=flat-square) ![type: application](https://img.shields.io/badge/type-application-informational?style=flat-square) ![app version: 2.44.0](https://img.shields.io/badge/app%20version-2.44.0-informational?style=flat-square) ![kube version: >=1.14.0-0](https://img.shields.io/badge/kube%20version->=1.14.0--0-informational?style=flat-square) [![artifact hub](https://img.shields.io/badge/artifact%20hub-dex-informational?style=flat-square)](https://artifacthub.io/packages/helm/dex/dex)
+![version: 0.24.1](https://img.shields.io/badge/version-0.24.1-informational?style=flat-square) ![type: application](https://img.shields.io/badge/type-application-informational?style=flat-square) ![app version: 2.44.0](https://img.shields.io/badge/app%20version-2.44.0-informational?style=flat-square) ![kube version: >=1.14.0-0](https://img.shields.io/badge/kube%20version->=1.14.0--0-informational?style=flat-square) [![artifact hub](https://img.shields.io/badge/artifact%20hub-dex-informational?style=flat-square)](https://artifacthub.io/packages/helm/dex/dex)
 
 OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors.
 
diff --git a/charts/dex/templates/service.yaml b/charts/dex/templates/service.yaml
index 2a0122ff..972f12b1 100644
--- a/charts/dex/templates/service.yaml
+++ b/charts/dex/templates/service.yaml
@@ -51,7 +51,7 @@ spec:
       targetPort: grpc
       protocol: TCP
       {{- if semverCompare ">=1.20-0" .Capabilities.KubeVersion.GitVersion }}
-      appProtocol: http
+      appProtocol: grpc
       {{- end }}
     {{- end }}
     - name: telemetry