diff --git a/Cargo.toml b/Cargo.toml
index 74668ce..4f5c4a4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "garcon"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Hans Larsen <hans@larsen.online>"]
 edition = "2018"
 description = "A collection of trait and classes to make your thread or async function wait."
diff --git a/rust-toolchain b/rust-toolchain
index 5a5c721..21998d3 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.50.0
+1.47.0
diff --git a/src/lib.rs b/src/lib.rs
index 46f97b8..fda8600 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -59,7 +59,7 @@ pub trait Waiter: WaiterClone + Send + Sync {
     /// to be non-blocking.
     #[cfg(feature = "async")]
     fn async_wait(&mut self) -> Pin<Box<dyn Future<Output = Result<(), WaiterError>> + Send>> {
-        Box::pin(future::ready(self.wait()))
+        Box::pin(futures_util::future::ready(self.wait()))
     }
 }