diff --git a/api/starknet_api_openrpc.json b/api/starknet_api_openrpc.json
index 49f161e..36f200e 100644
--- a/api/starknet_api_openrpc.json
+++ b/api/starknet_api_openrpc.json
@@ -994,6 +994,9 @@
                       },
                       "class_hash": {
                         "$ref": "#/components/schemas/FELT"
+                      },
+                      "storage_root": {
+                        "$ref": "#/components/schemas/FELT"
                       }
                     },
                     "required": ["nonce", "class_hash"]