diff --git a/Cargo.toml b/Cargo.toml
index e09c742..6e06d15 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ tls = ["libdoh/tls"]
 libdoh = { path = "src/libdoh", version = "0.3.3" }
 clap = "2.33.3"
 jemallocator = "0.3.2"
-tokio = { version = "0.2.24", features = ["rt-threaded", "time", "tcp", "udp", "stream", "parking_lot"] }
+tokio = { version = "1.0.0", features = ["net", "io-std", "io-util", "fs", "time", "rt-multi-thread", "parking_lot"] }
 
 [package.metadata.deb]
 extended-description = """\
diff --git a/LICENSE b/LICENSE
index 23ba07f..010ad6e 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018-2020 Frank Denis
+Copyright (c) 2018-2021 Frank Denis
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/libdoh/Cargo.toml b/src/libdoh/Cargo.toml
index 5a3dcc8..62e69d1 100644
--- a/src/libdoh/Cargo.toml
+++ b/src/libdoh/Cargo.toml
@@ -11,17 +11,17 @@ categories = ["asynchronous", "network-programming","command-line-utilities"]
 edition = "2018"
 
 [features]
-default = []
+default = ["tls"]
 tls = ["tokio-rustls"]
 
 [dependencies]
-anyhow = "1.0.35"
+anyhow = "1.0.36"
 byteorder = "1.3.4"
 base64 = "0.13.0"
 futures = "0.3.8"
-hyper = { version = "0.13.9", default-features = false, features = ["stream"] }
-tokio = { version = "0.2.24", features = ["rt-threaded", "time", "tcp", "udp", "stream", "parking_lot"] }
-tokio-rustls = { version = "0.15.0", optional = true }
+hyper = { version = "0.14.1", default-features = false, features = ["server", "http1", "http2", "stream"] }
+tokio = { version = "1.0.0", features = ["full"] }
+tokio-rustls = { version = "0.21.1", optional = true }
 
 [profile.release]
 codegen-units = 1
diff --git a/src/libdoh/src/lib.rs b/src/libdoh/src/lib.rs
index 44477d4..567b299 100644
--- a/src/libdoh/src/lib.rs
+++ b/src/libdoh/src/lib.rs
@@ -179,7 +179,7 @@ impl DoH {
         }
         let _ = dns::set_edns_max_payload_size(&mut query, MAX_DNS_RESPONSE_LEN as _);
         let globals = &self.globals;
-        let mut socket = UdpSocket::bind(&globals.local_bind_address)
+        let socket = UdpSocket::bind(&globals.local_bind_address)
             .await
             .map_err(DoHError::Io)?;
         let expected_server_address = globals.server_address;
@@ -245,15 +245,11 @@ impl DoH {
 
     async fn start_without_tls(
         self,
-        mut listener: TcpListener,
+        listener: TcpListener,
         server: Http<LocalExecutor>,
     ) -> Result<(), DoHError> {
         let listener_service = async {
-            while let Some(stream) = listener.incoming().next().await {
-                let stream = match stream {
-                    Ok(stream) => stream,
-                    Err(_) => continue,
-                };
+            while let Ok((stream, _client_addr)) = listener.accept().await {
                 self.clone().client_serve(stream, server.clone()).await;
             }
             Ok(()) as Result<(), DoHError>
diff --git a/src/libdoh/src/tls.rs b/src/libdoh/src/tls.rs
index 2aee569..85beebf 100644
--- a/src/libdoh/src/tls.rs
+++ b/src/libdoh/src/tls.rs
@@ -7,11 +7,11 @@ use std::io::{self, BufReader};
 use std::path::Path;
 use std::sync::Arc;
 use tokio::net::TcpListener;
-use tokio::stream::StreamExt;
 use tokio_rustls::{
     rustls::{internal::pemfile, NoClientAuth, ServerConfig},
     TlsAcceptor,
 };
+use tokio::io::{AsyncReadExt, AsyncWriteExt};
 
 pub fn create_tls_acceptor<P, P2>(certs_path: P, certs_keys_path: P2) -> io::Result<TlsAcceptor>
 where
@@ -86,11 +86,7 @@ impl DoH {
         server: Http<LocalExecutor>,
     ) -> Result<(), DoHError> {
         let listener_service = async {
-            while let Some(raw_stream) = listener.incoming().next().await {
-                let raw_stream = match raw_stream {
-                    Ok(raw_stream) => raw_stream,
-                    Err(_) => continue,
-                };
+            while let Ok((raw_stream, _client_addr)) = listener.accept().await {               
                 let stream = match tls_acceptor.accept(raw_stream).await {
                     Ok(stream) => stream,
                     Err(_) => continue,