1 files changed, 8 insertions, 5 deletions
diff --git a/futures/src/runtime.rs b/futures/src/runtime.rs
index 7779e235..2034ed6c 100644
--- a/futures/src/runtime.rs
+++ b/futures/src/runtime.rs
@@ -1,6 +1,6 @@
 //! Run commands and keep track of subscriptions.
-use crate::BoxFuture;
-use crate::{subscription, Executor, Subscription};
+use crate::subscription;
+use crate::{BoxFuture, Executor, MaybeSend, Subscription};
 
 use futures::{channel::mpsc, Sink};
 use std::marker::PhantomData;
@@ -23,9 +23,12 @@ where
     Hasher: std::hash::Hasher + Default,
     Event: Send + Clone + 'static,
     Executor: self::Executor,
-    Sender:
-        Sink<Message, Error = mpsc::SendError> + Unpin + Send + Clone + 'static,
-    Message: Send + 'static,
+    Sender: Sink<Message, Error = mpsc::SendError>
+        + Unpin
+        + MaybeSend
+        + Clone
+        + 'static,
+    Message: MaybeSend + 'static,
 {
     /// Creates a new empty [`Runtime`].
     ///