@@ -19,7 +19,7 @@ parking_lot = '0.9.0'
tokio = '0.1.22'
jsonrpc-core = '13.2.0'
rand = '0.7.2'
-structopt = '0.3.3'
+structopt = '=0.3.5'
serde_json = '1.0'
serde = '1.0'
hex = '0.4'