diff --git a/Cargo.toml b/Cargo.toml
index fe428b0..7bad6fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ bytes = { version = "1", optional = true }
 futures-io = { version = "0.3.4", optional = true }
 futures-util = { version = "0.3.4", features = ["io"], optional = true }
 asynchronous-codec = { version = "0.5", optional = true }
-tokio-util = { version = "0.6", features = ["codec"], optional = true }
+tokio-util = { version = "0.7", features = ["codec"], optional = true }
 nom = { version = "6", optional = true }
 
 [dev-dependencies]