diff --git a/crypto-message/src/proto/message.rs b/crypto-message/src/proto/message.rs
index 1974e71..99b225b 100644
--- a/crypto-message/src/proto/message.rs
+++ b/crypto-message/src/proto/message.rs
@@ -23,7 +23,7 @@
 
 /// Generated files are compatible only with the same version
 /// of protobuf runtime.
-const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_3_3_0;
+const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_3_4_0;
 
 ///  Tick-by-tick trade message.
 #[derive(PartialEq,Clone,Default,Debug)]