diff --git a/charts/blockchain-node/Chart.yaml b/charts/blockchain-node/Chart.yaml
index de65af0..927d4c1 100644
--- a/charts/blockchain-node/Chart.yaml
+++ b/charts/blockchain-node/Chart.yaml
@@ -12,4 +12,4 @@ maintainers:
 
 type: application
 
-version: 0.3.0
+version: 0.3.1
diff --git a/charts/blockchain-node/templates/statefulset.yaml b/charts/blockchain-node/templates/statefulset.yaml
index 2837996..6cb7a29 100644
--- a/charts/blockchain-node/templates/statefulset.yaml
+++ b/charts/blockchain-node/templates/statefulset.yaml
@@ -53,6 +53,7 @@ spec:
       {{- end }}
     spec:
       setHostnameAsFQDN: true
+      subdomain: {{ $sts.name }}
       terminationGracePeriodSeconds: {{ default 30 $.Values.global.terminationGracePeriodSeconds }}
       {{- with $sts.affinity }}
       affinity: {{- toYaml . | nindent 8 }}