diff --git a/src/aks-preview/HISTORY.md b/src/aks-preview/HISTORY.md
index d45359eaf5d..0ee9de28c66 100644
--- a/src/aks-preview/HISTORY.md
+++ b/src/aks-preview/HISTORY.md
@@ -2,6 +2,10 @@
 
 Release History
 ===============
+0.4.20
++++++
+* Add commands '--zones' and '-z' for availability zones in aks
+
 0.4.19
 +++++
 * Refactor and remove a custom way of getting subscriptions
diff --git a/src/aks-preview/README.md b/src/aks-preview/README.md
index 197ccfc96b0..81b82b571fe 100644
--- a/src/aks-preview/README.md
+++ b/src/aks-preview/README.md
@@ -107,7 +107,7 @@ az aks create \
     -g MyResourceGroup \
     -n MyManagedCluster \
     --vm-set-type VirtualMachineScaleSets \
-    --node-zones 1 2 3
+    --zones 1 2 3
 ```
 
 #### Enable pod security policy for new cluster
diff --git a/src/aks-preview/azext_aks_preview/_help.py b/src/aks-preview/azext_aks_preview/_help.py
index be075b15582..2972af1ae88 100644
--- a/src/aks-preview/azext_aks_preview/_help.py
+++ b/src/aks-preview/azext_aks_preview/_help.py
@@ -360,7 +360,10 @@
           long-summary: If not specified, defaults to 110, or 30 for advanced networking configurations.
         - name: --node-zones
           type: string array
-          short-summary: (PREVIEW) Availability zones where agent nodes will be placed.
+          short-summary: (will be deprecated, use --zones) Availability zones where agent nodes will be placed.
+        - name: --zones -z
+          type: string array
+          short-summary: Availability zones where agent nodes will be placed.
         - name: --vnet-subnet-id
           type: string
           short-summary: The ID of a subnet in an existing VNet into which to deploy the cluster.
diff --git a/src/aks-preview/azext_aks_preview/_params.py b/src/aks-preview/azext_aks_preview/_params.py
index 854704e7ba6..16f407af674 100644
--- a/src/aks-preview/azext_aks_preview/_params.py
+++ b/src/aks-preview/azext_aks_preview/_params.py
@@ -78,7 +78,7 @@ def load_arguments(self, _):
         c.argument('max_count', type=int, validator=validate_nodes_count)
         c.argument('enable_vmss', action='store_true', help='To be deprecated. Use vm_set_type instead.')
         c.argument('vm_set_type', type=str, validator=validate_vm_set_type)
-        c.argument('node_zones', zones_type, options_list='--node-zones', help='(PREVIEW) Space-separated list of availability zones where agent nodes will be placed.')
+        c.argument('node_zones', zones_type, options_list=['--node-zones', '--zones', '-z'], help='(--node-zones will be deprecated, use --zones) Space-separated list of availability zones where agent nodes will be placed.')
         c.argument('enable_pod_security_policy', action='store_true')
         c.argument('node_resource_group')
         c.argument('attach_acr', acr_arg_type)
@@ -113,7 +113,7 @@ def load_arguments(self, _):
     for scope in ['aks nodepool add']:
         with self.argument_context(scope) as c:
             c.argument('nodepool_name', type=str, options_list=['--name', '-n'], validator=validate_nodepool_name, help='The node pool name.')
-            c.argument('node_zones', zones_type, options_list='--node-zones', help='(PREVIEW) Space-separated list of availability zones where agent nodes will be placed.')
+            c.argument('node_zones', zones_type, options_list=['--node-zones', '--zones', '-z'], help='(--node-zones will be deprecated) Space-separated list of availability zones where agent nodes will be placed.')
             c.argument('node_vm_size', options_list=['--node-vm-size', '-s'], completer=get_vm_size_completion_list)
             c.argument('max_pods', type=int, options_list=['--max-pods', '-m'], validator=validate_max_pods)
             c.argument('os_type', type=str)
diff --git a/src/aks-preview/setup.py b/src/aks-preview/setup.py
index 46a0220bffa..c25fbcfc93a 100644
--- a/src/aks-preview/setup.py
+++ b/src/aks-preview/setup.py
@@ -8,7 +8,7 @@
 from codecs import open as open1
 from setuptools import setup, find_packages
 
-VERSION = "0.4.19"
+VERSION = "0.4.20"
 CLASSIFIERS = [
     'Development Status :: 4 - Beta',
     'Intended Audience :: Developers',