diff --git a/deploy/charts/kube-oidc-proxy/Chart.yaml b/deploy/charts/kube-oidc-proxy/Chart.yaml
index 91ec980f1..25f795148 100644
--- a/deploy/charts/kube-oidc-proxy/Chart.yaml
+++ b/deploy/charts/kube-oidc-proxy/Chart.yaml
@@ -3,7 +3,7 @@ appVersion: "v0.3.0"
 description: A Helm chart for kube-oidc-proxy
 home: https://github.com/jetstack/kube-oidc-proxy
 name: kube-oidc-proxy
-version: 0.3.1
+version: 0.3.2
 maintainers:
 - name: mhrabovcin
 - name: joshvanl
diff --git a/deploy/charts/kube-oidc-proxy/templates/service.yaml b/deploy/charts/kube-oidc-proxy/templates/service.yaml
index e5feee6e1..58f52bc78 100644
--- a/deploy/charts/kube-oidc-proxy/templates/service.yaml
+++ b/deploy/charts/kube-oidc-proxy/templates/service.yaml
@@ -25,3 +25,6 @@ spec:
   selector:
     app.kubernetes.io/name: {{ include "kube-oidc-proxy.name" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
+{{- with .Values.service.additionalSpec }}
+  {{- toYaml . | nindent 2 }}
+{{- end }}
diff --git a/deploy/charts/kube-oidc-proxy/values.yaml b/deploy/charts/kube-oidc-proxy/values.yaml
index 3997b4f31..dd4655564 100644
--- a/deploy/charts/kube-oidc-proxy/values.yaml
+++ b/deploy/charts/kube-oidc-proxy/values.yaml
@@ -16,7 +16,7 @@ fullnameOverride: ""
 service:
   type: ClusterIP
   port: 443
-  annotations:
+  annotations: {}
     # You can use this field to add annotations to the Service.
     # Define it in a key-value pairs. E.g.
     # service.beta.kubernetes.io/aws-load-balancer-internal: true
@@ -24,6 +24,11 @@ service:
   loadBalancerIP: ""
   loadBalancerSourceRanges: []
 
+  additionalSpec: {}
+    # You can use this field to add additional spec parametes to the Service.
+    # Define it in a key-value pairs. E.g.
+    # externalTrafficPolicy: Local
+
 tls:
   # `secretName` must be a name of Secret of TLS type. If not provided a
   # self-signed certificate will get generated.