diff --git a/arm-network/2015-06-15/swagger/network.json b/arm-network/2015-06-15/swagger/network.json
index a3e2bf007462..ba893679caa8 100644
--- a/arm-network/2015-06-15/swagger/network.json
+++ b/arm-network/2015-06-15/swagger/network.json
@@ -6508,6 +6508,10 @@
     },
     "VirtualNetworkGatewayConnectionPropertiesFormat": {
       "properties": {
+        "authorizationKey": {
+          "type": "string",
+          "description": "The authorizationKey."
+        },
         "virtualNetworkGateway1": {
           "$ref": "#/definitions/VirtualNetworkGateway"
         },