diff --git a/azure/azuredeploy.json b/azure/azuredeploy.json
index 38fbec2..455aadb 100644
--- a/azure/azuredeploy.json
+++ b/azure/azuredeploy.json
@@ -37,6 +37,7 @@
       "type": "string",
       "defaultValue": "Standard_B1s",
       "allowedValues": [
+        "Standard_B1ls",
         "Standard_B1s",
         "Standard_B1ms",
         "Standard_B2s",