diff --git a/Cargo.toml b/Cargo.toml
index cd9302f..33e8035 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ license = "MIT"
 futures-channel = "0.3"
 futures-core = "0.3"
 futures-io = "0.3"
-futures-util = "0.3"
+futures-util = { version = "0.3", default-features = false }
 
 [dev-dependencies]
 criterion = "0.3"