diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5c8a577..c4c4b2b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,4 +29,3 @@ jobs:
       uses: actions-rs/cargo@v1
       with:
         command: test
-        args: --features unstable
diff --git a/Cargo.toml b/Cargo.toml
index 97bd9c1..8ec3215 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "stop-token"
-version = "0.1.2"
+version = "0.2.0"
 authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"
@@ -9,8 +9,5 @@ repository = "https://github.com/async-rs/stop-token"
 description = "Experimental cooperative cancellation for async-std"
 
 [dependencies]
-pin-project-lite = "0.1.0"
-async-std = "1.0"
-
-[features]
-unstable = ["async-std/unstable"]
+pin-project-lite = "0.2.0"
+async-std = "1.8"
diff --git a/src/lib.rs b/src/lib.rs
index 3a7026d..48d1476 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -71,7 +71,8 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use async_std::prelude::*;
-use async_std::sync::{channel, Receiver, Sender};
+
+use async_std::channel::{self, Receiver, Sender};
 use pin_project_lite::pin_project;
 
 enum Never {}
@@ -101,7 +102,7 @@ pub struct StopToken {
 
 impl Default for StopSource {
     fn default() -> StopSource {
-        let (sender, receiver) = channel::<Never>(1);
+        let (sender, receiver) = channel::bounded::<Never>(1);
 
         StopSource {
             _chan: sender,
diff --git a/tests/tests.rs b/tests/tests.rs
index 8fe28f3..2fceda8 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -1,36 +1,40 @@
 use std::time::Duration;
 
-use async_std::{prelude::*, task, sync::channel};
+use async_std::prelude::*;
+
+use async_std::channel;
+use async_std::task;
 
 use stop_token::StopSource;
 
 #[test]
 fn smoke() {
     task::block_on(async {
-        let (sender, receiver) = channel::<i32>(10);
+        let (sender, receiver) = channel::bounded::<i32>(10);
         let stop_source = StopSource::new();
         let task = task::spawn({
             let stop_token = stop_source.stop_token();
             let receiver = receiver.clone();
             async move {
-            let mut xs = Vec::new();
-            let mut stream = stop_token.stop_stream(receiver);
-            while let Some(x) = stream.next().await {
-                xs.push(x)
+                let mut xs = Vec::new();
+                let mut stream = stop_token.stop_stream(receiver);
+                while let Some(x) = stream.next().await {
+                    xs.push(x)
+                }
+                xs
             }
-            xs
-        }});
-        sender.send(1).await;
-        sender.send(2).await;
-        sender.send(3).await;
+        });
+        sender.send(1).await.unwrap();
+        sender.send(2).await.unwrap();
+        sender.send(3).await.unwrap();
 
         task::sleep(Duration::from_millis(250)).await;
         drop(stop_source);
         task::sleep(Duration::from_millis(250)).await;
 
-        sender.send(4).await;
-        sender.send(5).await;
-        sender.send(6).await;
+        sender.send(4).await.unwrap();
+        sender.send(5).await.unwrap();
+        sender.send(6).await.unwrap();
         assert_eq!(task.await, vec![1, 2, 3]);
     })
 }