diff --git a/Cargo.toml b/Cargo.toml
index 0ed7a84..cb7b146 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ integer-encoding = "1.1.5"
 log = "0.4.8"
 env_logger = "0.8.2"
 tokio = { version = "0.2", features = ["tcp", "rt-core", "io-driver", "sync"] }
-tokio-util = { version = "0.3.1", features = ["codec"] }
+tokio-util = { version = "0.6.4", features = ["codec"] }
 futures = "0.3"
 
 [build-dependencies]