diff --git a/data/avro-schema/src/main/resources/avro/net/corda/data/virtualnode/VirtualNodeUpgradeRequest.avsc b/data/avro-schema/src/main/resources/avro/net/corda/data/virtualnode/VirtualNodeUpgradeRequest.avsc
index 392c7383fa..49b9b79a4a 100644
--- a/data/avro-schema/src/main/resources/avro/net/corda/data/virtualnode/VirtualNodeUpgradeRequest.avsc
+++ b/data/avro-schema/src/main/resources/avro/net/corda/data/virtualnode/VirtualNodeUpgradeRequest.avsc
@@ -17,6 +17,11 @@
       "name": "actor",
       "type": "string",
       "doc": "ID of RPC user that requested the virtual node creation."
+    },
+    {
+      "name": "forceUpgrade",
+      "type": "boolean",
+      "doc": "Whether this upgrade should be forced regardless of OperationInProgress."
     }
   ]
 }
\ No newline at end of file