Update jsonrpc dependencies
@@ -22,8 +22,8 @@ authors = ["sawtooth"]
clap = "2"
dirs = "2"
futures-cpupool = "0.1"
-jsonrpc-core = "8.0"
-jsonrpc-http-server = "8.0"
+jsonrpc-core = "12.0"
+jsonrpc-http-server = "12.0"
log = "0.4"
protobuf = "2.0"
rust-crypto = "0.2"
