diff --git a/examples/testing-websockets/Cargo.toml b/examples/testing-websockets/Cargo.toml
index 27981188..2a8cfa21 100644
--- a/examples/testing-websockets/Cargo.toml
+++ b/examples/testing-websockets/Cargo.toml
@@ -6,7 +6,7 @@ publish = false
 
 [dependencies]
 axum = { path = "../../axum", features = ["ws"] }
-futures-channel = "0.3"
+futures-channel = { version = "0.3", features = ["sink"] }
 futures-util = { version = "0.3", default-features = false, features = ["sink", "std"] }
 tokio = { version = "1.0", features = ["full"] }
 tokio-tungstenite = "0.29"