diff --git a/prepare-vms/README.md b/prepare-vms/README.md
index 818ebd4c..33d367ef 100644
--- a/prepare-vms/README.md
+++ b/prepare-vms/README.md
@@ -116,7 +116,7 @@ wrap         Run this program in a container
   - Optional:
     - Choose a name for the workshop (default is "workshop")
     - Choose the number of instances (default is 3)
-    - Customize the desired instance size (default is Standard_D2_v3)
+    - Customize the desired instance size (default is Standard_D1_v2)
  - Launch instances with your chosen resource group name and your preferred region; the examples are "workshop" and "eastus":
 ```
 az group create --name workshop --location eastus
diff --git a/prepare-vms/azuredeploy.json b/prepare-vms/azuredeploy.json
index 560212c1..74dc620c 100644
--- a/prepare-vms/azuredeploy.json
+++ b/prepare-vms/azuredeploy.json
@@ -60,7 +60,7 @@
     },
     "vmSize": {
       "type": "string",
-      "defaultValue": "Standard_D2_v3",
+      "defaultValue": "Standard_D1_v2",
       "metadata": {
         "description": "VM Size."
       }
diff --git a/prepare-vms/azuredeploy.parameters.json b/prepare-vms/azuredeploy.parameters.json
index 51f7edae..81058ffb 100644
--- a/prepare-vms/azuredeploy.parameters.json
+++ b/prepare-vms/azuredeploy.parameters.json
@@ -12,7 +12,7 @@
       "value": 3
     },
     "vmSize": {
-      "value": "Standard_D2_v3"
+      "value": "Standard_D1_v2"
     }
   }
 }