diff --git a/charts/enterprise-gateway/Chart.yaml b/charts/enterprise-gateway/Chart.yaml
index 6841a57..895c2d1 100644
--- a/charts/enterprise-gateway/Chart.yaml
+++ b/charts/enterprise-gateway/Chart.yaml
@@ -1,6 +1,6 @@
 name: enterprise-gateway
 description: A helm chart to deploy Jupyter Enterprise Gateway
-version: 2.4.0
+version: 2.5.0
 apiVersion: v1
 icon: https://avatars1.githubusercontent.com/u/7388996?s=200&v=4
 home: https://jupyter.org/enterprise_gateway
diff --git a/charts/enterprise-gateway/templates/deployment.yaml b/charts/enterprise-gateway/templates/deployment.yaml
index 30fd2f6..d368fd9 100644
--- a/charts/enterprise-gateway/templates/deployment.yaml
+++ b/charts/enterprise-gateway/templates/deployment.yaml
@@ -22,6 +22,8 @@ spec:
         app: enterprise-gateway
         component: enterprise-gateway
     spec:
+      affinity:
+        {{- .Values.affinity | toYaml | nindent 8 }}
       # Created by this chart.
       serviceAccountName: enterprise-gateway-sa
 {{- if .Values.kernelspecs.image }}
diff --git a/charts/enterprise-gateway/values.yaml b/charts/enterprise-gateway/values.yaml
index 508a0ee..d7cdd22 100644
--- a/charts/enterprise-gateway/values.yaml
+++ b/charts/enterprise-gateway/values.yaml
@@ -14,6 +14,8 @@ mirrorWorkingDirs: false
 k8sMasterPublicIP:
 # create and require a secret token, supplied by client in an "Authorization: token" header
 authTokenEnabled: true
+# node affinity
+affinity: {}
 
 kernel:
   # Kernel cluster role created by this chart.
@@ -39,6 +41,7 @@ kernel:
   # kernel service account name
   serviceAccount: kernel-sa
 
+
 kernelspecs:
   # Optional custom data image containing kernelspecs to use.
   image: