diff --git a/tokio-postgres/Cargo.toml b/tokio-postgres/Cargo.toml
index f659663e1..23fc88c63 100644
--- a/tokio-postgres/Cargo.toml
+++ b/tokio-postgres/Cargo.toml
@@ -51,7 +51,7 @@ postgres-protocol = { version = "0.5.0", path = "../postgres-protocol" }
 postgres-types = { version = "0.1.2", path = "../postgres-types" }
 socket2 = "0.3"
 tokio = { version = "0.3", features = ["io-util"] }
-tokio-util = { version = "0.4", features = ["codec"] }
+tokio-util = { version = "0.6", features = ["codec"] }
 
 [dev-dependencies]
 tokio = { version = "0.3", features = ["full"] }