diff --git a/postgres-rest/Cargo.toml b/postgres-rest/Cargo.toml
index d417a68..d9789b1 100644
--- a/postgres-rest/Cargo.toml
+++ b/postgres-rest/Cargo.toml
@@ -24,7 +24,7 @@ futures = "0.1.28"
 futures03 = { package = "futures-preview", version = "0.3.0-alpha.18", features = ["compat"] }
 itertools = "0.8.0"
 lazy_static = "1.3"
-postgres-protocol = "0.4.1"
+postgres-protocol = "0.6.1"
 rayon = "1.1.0"
 regex = "1.2.0"
 serde = { version = "1.0.97", features = ["derive"] }