diff --git a/Cargo.toml b/Cargo.toml
index b1c1c08..1df7077 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tide-rustls"
 version = "0.3.0"
 authors = ["Jacob Rothstein <hi@jbr.me>"]
-edition = "2018"
+edition = "2024"
 description = "tide tls listener based on async-rustls and rustls"
 readme = "README.md"
 repository = "https://github.com/jbr/tide-rustls"
@@ -12,9 +12,10 @@ keywords = ["tide", "https", "tls"]
 categories = ["web-programming::http-server", "web-programming"]
 
 [dependencies]
-async-std = "1.9.0"
-tide = { version = "0.16.0", default-features = false }
-async-rustls = "0.2.0"
-rustls = "0.19.0"
-async-h1 = "2.3.2"
-async-dup = "1.2.2"
+async-dup = "1.2"
+async-h1 = "2.3"
+futures-rustls = "0.26"
+rustls = "0.23"
+rustls-pemfile = "2.2"
+smol = "2.0"
+tide = { version = "0.16", default-features = false }
diff --git a/README.md b/README.md
index 04831b2..ca5ab10 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Tide rustls listener
 
-## tls listener for [tide](https://github.com/http-rs/tide) based on [async-rustls](https://github.com/smol-rs/async-rustls)
+A TLS listener for [tide](https://github.com/http-rs/tide), based on `futures-rustls`.
 
 * [CI ![CI][ci-badge]][ci]
 * [API Docs][docs] [![docs.rs docs][docs-badge]][docs]
@@ -21,18 +21,19 @@ $ cargo add tide-rustls
 
 ## Using with tide
 ```rust
-#[async_std::main]
-async fn main() -> tide::Result<()> {
-    let mut app = tide::new();
-    app.at("/").get(|_| async { Ok("Hello TLS") });
-    app.listen(
-        TlsListener::build()
-            .addrs("localhost:4433")
-            .cert(std::env::var("TIDE_CERT_PATH").unwrap())
-            .key(std::env::var("TIDE_KEY_PATH").unwrap()),
-        )
-        .await?;
-    Ok(())
+fn main() -> tide::Result<()> {
+    smol::block_on(async {
+        let mut app = tide::new();
+        app.at("/").get(|_| async { Ok("Hello TLS") });
+        app.listen(
+            TlsListener::build()
+                .addrs("localhost:4433")
+                .cert(std::env::var("TIDE_CERT_PATH").unwrap())
+                .key(std::env::var("TIDE_KEY_PATH").unwrap()),
+            )
+            .await?;
+        Ok(())
+    })
 }
 ```
 
diff --git a/examples/hello_tls.rs b/examples/hello_tls.rs
index dda97fa..0064c48 100644
--- a/examples/hello_tls.rs
+++ b/examples/hello_tls.rs
@@ -11,7 +11,7 @@ async fn endpoint(req: tide::Request<()>) -> tide::Result<impl Into<tide::Respon
 }
 
 fn main() -> std::io::Result<()> {
-    async_std::task::block_on(async {
+    smol::block_on(async {
         let mut app = tide::new();
         app.at("*").all(endpoint);
         app.at("/").all(endpoint);
diff --git a/src/custom_tls_acceptor.rs b/src/custom_tls_acceptor.rs
index 37e0d07..edcd455 100644
--- a/src/custom_tls_acceptor.rs
+++ b/src/custom_tls_acceptor.rs
@@ -1,5 +1,5 @@
-use async_rustls::server::TlsStream;
-use async_std::net::TcpStream;
+use futures_rustls::server::TlsStream;
+use smol::net::TcpStream;
 
 /// The CustomTlsAcceptor trait provides a custom implementation of accepting
 /// TLS connections from a [`TcpStream`]. tide-rustls will call the
@@ -21,7 +21,7 @@ pub trait CustomTlsAcceptor: Send + Sync {
 /// Crate-private adapter to make `async_rustls::TlsAcceptor` implement
 /// `CustomTlsAcceptor`, without creating a conflict between the two `accept`
 /// methods.
-pub(crate) struct StandardTlsAcceptor(pub(crate) async_rustls::TlsAcceptor);
+pub(crate) struct StandardTlsAcceptor(pub(crate) futures_rustls::TlsAcceptor);
 
 #[tide::utils::async_trait]
 impl CustomTlsAcceptor for StandardTlsAcceptor {
diff --git a/src/lib.rs b/src/lib.rs
index 6c7907c..bcc594f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,7 @@
 //! # Example
 //! ```rust
 //! # use tide_rustls::TlsListener;
-//! # fn main() -> tide::Result<()> { async_std::task::block_on(async {
+//! # fn main() -> tide::Result<()> { smol::block_on(async {
 //!     let mut app = tide::new();
 //!     app.at("/").get(|_| async { Ok("Hello tls") });
 //! # if false {
@@ -42,5 +42,5 @@ pub use custom_tls_acceptor::CustomTlsAcceptor;
 pub use tls_listener::TlsListener;
 pub use tls_listener_builder::TlsListenerBuilder;
 
-pub use async_rustls;
+pub use futures_rustls;
 pub use rustls;
diff --git a/src/tcp_connection.rs b/src/tcp_connection.rs
index 11d09ca..e45b036 100644
--- a/src/tcp_connection.rs
+++ b/src/tcp_connection.rs
@@ -1,4 +1,4 @@
-use async_std::net::{SocketAddr, TcpListener};
+use smol::net::{SocketAddr, TcpListener};
 use std::fmt::{self, Debug, Display, Formatter};
 
 #[derive(Debug)]
diff --git a/src/tls_listener.rs b/src/tls_listener.rs
index 1fdac5c..720acda 100644
--- a/src/tls_listener.rs
+++ b/src/tls_listener.rs
@@ -3,17 +3,18 @@ use crate::{
     CustomTlsAcceptor, TcpConnection, TlsListenerBuilder, TlsListenerConfig, TlsStreamWrapper,
 };
 
+use tide::Server;
 use tide::listener::ListenInfo;
 use tide::listener::{Listener, ToListener};
-use tide::Server;
 
-use async_std::net::{TcpListener, TcpStream};
-use async_std::prelude::*;
-use async_std::{io, task};
+use smol;
+use smol::net::{TcpListener, TcpStream};
+use smol::{io, prelude::*};
 
-use async_rustls::TlsAcceptor;
-use rustls::internal::pemfile::{certs, pkcs8_private_keys, rsa_private_keys};
-use rustls::{Certificate, NoClientAuth, PrivateKey, ServerConfig};
+use futures_rustls::TlsAcceptor;
+use rustls::ServerConfig;
+use rustls::pki_types::{CertificateDer, PrivateKeyDer};
+use rustls_pemfile::{certs, pkcs8_private_keys, rsa_private_keys};
 
 use std::fmt::{self, Debug, Display, Formatter};
 use std::fs::File;
@@ -88,9 +89,9 @@ impl<State> TlsListener<State> {
             TlsListenerConfig::Paths { cert, key } => {
                 let certs = load_certs(&cert)?;
                 let mut keys = load_keys(&key)?;
-                let mut config = ServerConfig::new(NoClientAuth::new());
-                config
-                    .set_single_cert(certs, keys.remove(0))
+                let config = ServerConfig::builder()
+                    .with_no_client_auth()
+                    .with_single_cert(certs, keys.remove(0))
                     .map_err(|err| io::Error::new(io::ErrorKind::InvalidInput, err))?;
 
                 TlsListenerConfig::Acceptor(Arc::new(StandardTlsAcceptor(TlsAcceptor::from(
@@ -143,7 +144,7 @@ fn handle_tls<State: Clone + Send + Sync + 'static>(
     stream: TcpStream,
     acceptor: Arc<dyn CustomTlsAcceptor>,
 ) {
-    task::spawn(async move {
+    smol::spawn(async move {
         let local_addr = stream.local_addr().ok();
         let peer_addr = stream.peer_addr().ok();
 
@@ -171,7 +172,7 @@ fn handle_tls<State: Clone + Send + Sync + 'static>(
                 tide::log::error!("tls error", { error: tls_error.to_string() });
             }
         }
-    });
+    }).detach();
 }
 
 impl<State: Clone + Send + Sync + 'static> ToListener<State> for TlsListener<State> {
@@ -210,7 +211,7 @@ impl<State: Clone + Send + Sync + 'static> Listener<State> for TlsListener<State
                 Err(error) => {
                     let delay = Duration::from_millis(500);
                     tide::log::error!("Error: {}. Pausing for {:?}.", error, delay);
-                    task::sleep(delay).await;
+                    smol::Timer::after(delay).await;
                     continue;
                 }
 
@@ -253,25 +254,29 @@ impl<State> Display for TlsListener<State> {
     }
 }
 
-fn load_certs(path: &Path) -> io::Result<Vec<Certificate>> {
+fn load_certs(path: &Path) -> io::Result<Vec<CertificateDer<'static>>> {
     certs(&mut BufReader::new(File::open(path)?))
+        .collect::<Result<Vec<_>, _>>()
         .map_err(|_| io::Error::new(io::ErrorKind::InvalidInput, "invalid cert"))
 }
 
-fn load_keys(path: &Path) -> io::Result<Vec<PrivateKey>> {
+fn load_keys(path: &Path) -> io::Result<Vec<PrivateKeyDer<'static>>> {
     let mut bufreader = BufReader::new(File::open(path)?);
-    if let Ok(pkcs8) = pkcs8_private_keys(&mut bufreader) {
-        if !pkcs8.is_empty() {
-            return Ok(pkcs8);
-        }
+
+    let pkcs8 = pkcs8_private_keys(&mut bufreader)
+        .filter_map(|pk| Some(PrivateKeyDer::Pkcs8(pk.ok()?)))
+        .collect::<Vec<_>>();
+    if !pkcs8.is_empty() {
+        return Ok(pkcs8);
     }
 
     bufreader.seek(SeekFrom::Start(0))?;
 
-    if let Ok(rsa) = rsa_private_keys(&mut bufreader) {
-        if !rsa.is_empty() {
-            return Ok(rsa);
-        }
+    let rsa = rsa_private_keys(&mut bufreader)
+        .filter_map(|pk| Some(PrivateKeyDer::Pkcs1(pk.ok()?)))
+        .collect::<Vec<_>>();
+    if !rsa.is_empty() {
+        return Ok(rsa);
     }
 
     Err(io::Error::new(io::ErrorKind::InvalidInput, "invalid key"))
diff --git a/src/tls_listener_builder.rs b/src/tls_listener_builder.rs
index 373e7e0..8a70ca1 100644
--- a/src/tls_listener_builder.rs
+++ b/src/tls_listener_builder.rs
@@ -1,5 +1,5 @@
-use async_std::io;
-use async_std::net::TcpListener;
+use smol::io;
+use smol::net::TcpListener;
 
 use rustls::ServerConfig;
 
@@ -31,14 +31,6 @@ use std::sync::Arc;
 /// ```rust
 /// # use tide_rustls::TlsListener;
 /// let listener = TlsListener::<()>::build()
-///     .tcp(std::net::TcpListener::bind("localhost:4433").unwrap())
-///     .config(rustls::ServerConfig::new(rustls::NoClientAuth::new()))
-///     .finish();
-/// ```
-///
-/// ```rust
-/// # use tide_rustls::TlsListener;
-/// let listener = TlsListener::<()>::build()
 ///     .addrs("localhost:4433")
 ///     .cert("./tls/localhost-4433.cert")
 ///     .key("./tls/localhost-4433.key")
@@ -211,7 +203,7 @@ impl<State> TlsListenerBuilder<State> {
                 return Err(io::Error::new(
                     io::ErrorKind::InvalidInput,
                     "need exactly one of cert + key, ServerConfig, or TLS acceptor",
-                ))
+                ));
             }
         };
 
@@ -222,7 +214,7 @@ impl<State> TlsListenerBuilder<State> {
                 return Err(io::Error::new(
                     io::ErrorKind::InvalidInput,
                     "either tcp or addrs are required",
-                ))
+                ));
             }
         };
 
diff --git a/src/tls_stream_wrapper.rs b/src/tls_stream_wrapper.rs
index 27d73b9..fc35299 100644
--- a/src/tls_stream_wrapper.rs
+++ b/src/tls_stream_wrapper.rs
@@ -1,7 +1,7 @@
 use async_dup::{Arc, Mutex};
-use async_rustls::server::TlsStream;
-use async_std::io::{Read, Result, Write};
-use async_std::net::TcpStream;
+use futures_rustls::server::TlsStream;
+use smol::io::{AsyncRead, AsyncWrite, Result};
+use smol::net::TcpStream;
 use std::pin::Pin;
 use std::task::{Context, Poll};
 
@@ -14,7 +14,7 @@ impl TlsStreamWrapper {
     }
 }
 
-impl Read for TlsStreamWrapper {
+impl AsyncRead for TlsStreamWrapper {
     fn poll_read(
         self: Pin<&mut Self>,
         cx: &mut Context<'_>,
@@ -24,7 +24,7 @@ impl Read for TlsStreamWrapper {
     }
 }
 
-impl Write for TlsStreamWrapper {
+impl AsyncWrite for TlsStreamWrapper {
     fn poll_write(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8]) -> Poll<Result<usize>> {
         Pin::new(&mut &*self.0).poll_write(cx, buf)
     }