diff --git a/charts/zookeeper-operator/templates/post-install-upgrade-hooks.yaml b/charts/zookeeper-operator/templates/post-install-upgrade-hooks.yaml
index bbbe41b8..ac2188bf 100644
--- a/charts/zookeeper-operator/templates/post-install-upgrade-hooks.yaml
+++ b/charts/zookeeper-operator/templates/post-install-upgrade-hooks.yaml
@@ -44,6 +44,12 @@ roleRef:
 
 apiVersion: v1
 kind: ServiceAccount
+{{- if or .Values.global.imagePullSecrets .Values.serviceAccount.imagePullSecrets }}
+imagePullSecrets:
+{{- range (default .Values.global.imagePullSecrets .Values.serviceAccount.imagePullSecrets) }}
+  - name: {{ . }}
+{{- end }}
+{{- end }}
 metadata:
   name: {{ template "zookeeper-operator.fullname" . }}-post-install-upgrade
   namespace: {{ .Release.Namespace }}
diff --git a/charts/zookeeper/templates/post-install-upgrade-hooks.yaml b/charts/zookeeper/templates/post-install-upgrade-hooks.yaml
index dfb5f1bb..08cd0183 100644
--- a/charts/zookeeper/templates/post-install-upgrade-hooks.yaml
+++ b/charts/zookeeper/templates/post-install-upgrade-hooks.yaml
@@ -38,6 +38,12 @@ roleRef:
 
 apiVersion: v1
 kind: ServiceAccount
+{{- if or .Values.global.imagePullSecrets .Values.serviceAccount.imagePullSecrets }}
+imagePullSecrets:
+{{- range (default .Values.global.imagePullSecrets .Values.serviceAccount.imagePullSecrets) }}
+  - name: {{ . }}
+{{- end }}
+{{- end }}
 metadata:
   name: {{ template "zookeeper.fullname" . }}-post-install-upgrade
   namespace: {{ .Release.Namespace }}
diff --git a/charts/zookeeper/templates/zookeeper.yaml b/charts/zookeeper/templates/zookeeper.yaml
index 902440e6..5c378ce5 100644
--- a/charts/zookeeper/templates/zookeeper.yaml
+++ b/charts/zookeeper/templates/zookeeper.yaml
@@ -105,9 +105,11 @@ spec:
     terminationGracePeriodSeconds: {{ .Values.pod.terminationGracePeriodSeconds }}
     {{- end }}
     serviceAccountName: {{ default "zookeeper" .Values.pod.serviceAccountName }}
-    {{- if .Values.pod.imagePullSecrets }}
+    {{- if or .Values.global.imagePullSecrets .Values.pod.imagePullSecrets }}
     imagePullSecrets:
-{{ toYaml .Values.pod.imagePullSecrets | indent 6 }}
+    {{- range (default .Values.global.imagePullSecrets .Values.pod.imagePullSecrets) }}
+      - name: {{ . }}
+    {{- end }}
     {{- end }}
   {{- if .Values.clientService }}
   clientService:
diff --git a/charts/zookeeper/values.yaml b/charts/zookeeper/values.yaml
index 8a449f0b..3487ecf4 100644
--- a/charts/zookeeper/values.yaml
+++ b/charts/zookeeper/values.yaml
@@ -1,6 +1,11 @@
 replicas: 3
 maxUnavailableReplicas:
 
+global:
+  # Lists the secrets you need to use to pull zookeeper image from a private registry.
+  imagePullSecrets: []
+  # - private-registry-key
+
 image:
   repository: pravega/zookeeper
   tag: 0.2.15
@@ -10,6 +15,11 @@ triggerRollingRestart: false
 
 domainName:
 labels: {}
+
+serviceAccount: {}
+  ## Optionally specify an array of imagePullSecrets. Will override the global parameter if set
+  # imagePullSecrets:
+
 ports: []
   # - containerPort: 2181
   #   name: client