diff --git a/Cargo.toml b/Cargo.toml
index df6c669..9c60471 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,8 +50,8 @@ futures = { version = "0.3.8", optional = true }
 async-tls = { version = "0.10.0", optional = true }
 
 # hyper_client
-hyper = { version = "0.13.6", features = ["tcp"], optional = true }
-hyper-tls = { version = "0.4.3", optional = true }
+hyper = { version = "0.14.4", features = ["tcp", "client", "stream", "http1", "http2"], optional = true }
+hyper-tls = { version = "0.5.0", optional = true }
 futures-util = { version = "0.3.5", features = ["io"], optional = true }
 
 # curl_client
@@ -84,12 +84,17 @@ features = [
     "WorkerGlobalScope",
 ]
 
+[target.'cfg(target_arch = "wasm32")'.dependencies.getrandom]
+version = "0.2.2"
+features = ["js"]
+
 [dev-dependencies]
 async-std = { version = "1.6.0", features = ["unstable", "attributes"] }
 portpicker = "0.1.0"
 tide = { version = "0.15.0", default-features = false, features = ["h1-server"] }
 tide-rustls = { version = "0.1.4" }
-tokio = { version = "0.2.21", features = ["macros"] }
+tokio = { version = "1", features = ["macros", "time"] }
 serde = "1.0"
 serde_json = "1.0"
 mockito = "0.23.3"
+hyper = { version = "0.14.4", features = ["server"] }
diff --git a/src/hyper.rs b/src/hyper.rs
index f88ee8a..01c667a 100644
--- a/src/hyper.rs
+++ b/src/hyper.rs
@@ -177,7 +177,7 @@ mod tests {
         req.set_body("hello");
 
         let client = async move {
-            tokio::time::delay_for(Duration::from_millis(100)).await;
+            tokio::time::sleep(Duration::from_millis(100)).await;
             let mut resp = client.send(req).await?;
             send.send(()).unwrap();
             assert_eq!(resp.body_string().await?, "hello");