diff --git a/livekit-protocol/Cargo.toml b/livekit-protocol/Cargo.toml
index 376f51e..1ed7422 100644
--- a/livekit-protocol/Cargo.toml
+++ b/livekit-protocol/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 
 [dependencies]
 tokio = { version = "1.26.0", features = ["full"] }
-futures-util = "0.3"
+futures-util = { version = "0.3", features = ["sink"] }
 parking_lot = "0.12"
 prost = "0.11"
 prost-types = "0.11"