diff --git a/Cargo.toml b/Cargo.toml
index 65a55ae..5c52f54 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,8 +33,8 @@ serde = "1.0.101"
 serde_derive = "1.0.101"
 serde-big-array = "0.1.5"
 siphasher = "0.3.1"
-tokio = "=0.2.0-alpha.4"
-tokio-net = "=0.2.0-alpha.4"
+tokio = "=0.2.0-alpha.5"
+tokio-net = "=0.2.0-alpha.5"
 toml = "0.5.3"
 
 [profile.release]
diff --git a/src/main.rs b/src/main.rs
index 960e9db..4ead4bc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -47,6 +47,7 @@ use dnsstamps::{InformalProperty, WithInformalProperty};
 use failure::{bail, ensure};
 use futures::join;
 use futures::prelude::*;
+use futures::FutureExt;
 use parking_lot::Mutex;
 use parking_lot::RwLock;
 use privdrop::PrivDrop;
@@ -200,7 +201,7 @@ async fn handle_client_query(
 async fn tls_proxy(
     globals: Arc<Globals>,
     binlen: [u8; 2],
-    client_connection: TcpStream,
+    mut client_connection: TcpStream,
 ) -> Result<(), Error> {
     let tls_upstream_addr = match &globals.tls_upstream_addr {
         None => return Ok(()),
@@ -212,7 +213,7 @@ async fn tls_proxy(
     }?
     .bind(&globals.external_addr)?
     .to_tcp_stream()?;
-    let ext_socket =
+    let mut ext_socket =
         TcpStream::connect_std(std_socket, tls_upstream_addr, &Handle::default()).await?;
     let (mut erh, mut ewh) = ext_socket.split();
     let (mut rh, mut wh) = client_connection.split();
@@ -267,8 +268,8 @@ async fn tcp_acceptor(globals: Arc<Globals>, tcp_listener: TcpListener) -> Resul
             Ok(())
         };
         let fut_abort = rx;
-        let fut_all = future::select(fut.boxed(), fut_abort).timeout(timeout);
-        runtime.spawn(fut_all.map(move |_| {
+        let fut_all = future::select(FutureExt::boxed(fut), fut_abort).timeout(timeout);
+        runtime.spawn(FutureExt::map(fut_all, move |_| {
             concurrent_connections.fetch_sub(1, Ordering::Relaxed);
         }));
     }
@@ -311,8 +312,8 @@ async fn udp_acceptor(
         let concurrent_connections = concurrent_connections.clone();
         let fut = handle_client_query(globals, client_ctx, packet);
         let fut_abort = rx;
-        let fut_all = future::select(fut.boxed(), fut_abort).timeout(timeout);
-        runtime.spawn(fut_all.map(move |_| {
+        let fut_all = future::select(FutureExt::boxed(fut), fut_abort).timeout(timeout);
+        runtime.spawn(FutureExt::map(fut_all, move |_| {
             concurrent_connections.fetch_sub(1, Ordering::Relaxed);
         }));
     }
@@ -324,8 +325,14 @@ async fn start(
     listeners: Vec<(TcpListener, std::net::UdpSocket)>,
 ) -> Result<(), Error> {
     for listener in listeners {
-        runtime.spawn(tcp_acceptor(globals.clone(), listener.0).map(|_| {}));
-        runtime.spawn(udp_acceptor(globals.clone(), listener.1).map(|_| {}));
+        runtime.spawn(FutureExt::map(
+            tcp_acceptor(globals.clone(), listener.0),
+            |_| {},
+        ));
+        runtime.spawn(FutureExt::map(
+            udp_acceptor(globals.clone(), listener.1),
+            |_| {},
+        ));
     }
     Ok(())
 }
@@ -564,14 +571,13 @@ fn main() -> Result<(), Error> {
     if !state_is_new {
         updater.update();
     }
-    runtime.spawn(
-        start(globals, runtime.clone(), listeners)
-            .map_err(|e| {
-                error!("Unable to start the service: [{}]", e);
-                std::process::exit(1);
-            })
-            .map(|_| ()),
-    );
+    runtime.spawn(FutureExt::map(
+        start(globals, runtime.clone(), listeners).map_err(|e| {
+            error!("Unable to start the service: [{}]", e);
+            std::process::exit(1);
+        }),
+        |_| (),
+    ));
     runtime.block_on(updater.run());
 
     Ok(())