diff --git a/charts/monitor/charts/grafana/templates/monitor-grafana-deployment.yaml b/charts/monitor/charts/grafana/templates/monitor-grafana-deployment.yaml
index b61cf52..abbde36 100644
--- a/charts/monitor/charts/grafana/templates/monitor-grafana-deployment.yaml
+++ b/charts/monitor/charts/grafana/templates/monitor-grafana-deployment.yaml
@@ -68,6 +68,8 @@ spec:
           value: {{.Values.user}}
         - name: "DEFAULT_USER_PASSWORD"
           value: {{.Values.password}}
+        - name: "ALLOW_SIGN_UP"
+          value: {{.Values.allow_sign_up | quote}}
         ports:
         - containerPort: 3500
           name: ui
diff --git a/charts/monitor/values.yaml b/charts/monitor/values.yaml
index 50189e5..d1240dc 100644
--- a/charts/monitor/values.yaml
+++ b/charts/monitor/values.yaml
@@ -2,6 +2,7 @@ grafana:
   org: "deisci"
   pull_policy: "Always"
   docker_tag: canary
+  allow_sign_up: "true"
   # limits_cpu: "100m"
   # limits_memory: "50Mi"
   persistence: