diff --git a/README.md b/README.md
index 4a86528..e28f200 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ The following tables lists the configurable parameters of the `vsts-agent` chart
 | `image.pullPolicy`                | Image pull policy                     | `Always`                                                  |
 | `replicas`                        | Number of vsts-agent instaces started | `3`                                                       |
 | `resources.disk`                  | Size of the disk attached to the agent| `50Gi`                                                    |
+| `resources.storageclass`          | Specify storageclass used in kubernetes| `default`                                                |
 | `vstsAccount`                     | VSTS account name                     | `nil` (must be provided during installation)              |
 | `vstsToken`                       | VSTS personal access token            | `nil` (must be provided during installation)              |
 | `vstsPool`                        | VSTS agent pool name                  | `kubernetes-vsts-agents`                                  |
@@ -51,7 +52,7 @@ helm install --namespace <NAMESPACE> --set vstsToken=${VSTS_TOKEN} --set vstsAcc
 Your deployment should look like this if everything works fine:
 
 ```bash
-kubectl get pods --namespace <NAMESPACE> 
+kubectl get pods --namespace <NAMESPACE>
 NAME           READY     STATUS    RESTARTS   AGE
 vsts-agent-0   1/1       Running   0          1m
 vsts-agent-1   1/1       Running   0          1m
diff --git a/charts/vsts-agent/templates/vsts-agent.yaml b/charts/vsts-agent/templates/vsts-agent.yaml
index 3502b78..cd10b42 100644
--- a/charts/vsts-agent/templates/vsts-agent.yaml
+++ b/charts/vsts-agent/templates/vsts-agent.yaml
@@ -78,6 +78,7 @@ spec:
       name: workspace
     spec:
       accessModes: [ ReadWriteOnce ]
+      storageClassName: {{ .Values.resources.storageclass | default "default" | quote }}
       resources:
         requests:
           storage: {{ .Values.resources.disk | default "50Gi" | quote }}
diff --git a/charts/vsts-agent/values.yaml b/charts/vsts-agent/values.yaml
index a8a0d94..de3635f 100644
--- a/charts/vsts-agent/values.yaml
+++ b/charts/vsts-agent/values.yaml
@@ -1,4 +1,4 @@
-replicas: 3
+replicas: 1
 
 image:
   repository: microsoft/vsts-agent
@@ -13,6 +13,7 @@ resources:
     cpu: 4
     memory: 8Gi
   disk: "50Gi"
+  storageclass: "default"
 
 cleanRun: false