diff --git a/Cargo.toml b/Cargo.toml
index c80baf8..33d971f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ serde = "1.0"
 serde_derive = "1.0"
 bincode = "~1.1"
 byteorder = "~1.3"
-protobuf = "~2.7"
+protobuf = "~2.8"
 chrono = "0.4"
 reqwest = { version = "0.8", optional = true }
 failure = "0.1"