diff --git a/schemas/2021-06-01-preview/Microsoft.Synapse.json b/schemas/2021-06-01-preview/Microsoft.Synapse.json
index e590d80a35..a237c4572d 100644
--- a/schemas/2021-06-01-preview/Microsoft.Synapse.json
+++ b/schemas/2021-06-01-preview/Microsoft.Synapse.json
@@ -5516,6 +5516,17 @@
     "WorkspaceProperties": {
       "type": "object",
       "properties": {
+        "azureADOnlyAuthentication": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Enable or Disable AzureADOnlyAuthentication on All Workspace subresource"
+        },
         "connectivityEndpoints": {
           "oneOf": [
             {