diff --git a/Cargo.toml b/Cargo.toml
index 87f2273..2c2b629 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,16 +40,24 @@ tokio-rustls = { version = "0.23.4", features = [
   "early-data",
 ], optional = true }
 rustls-pemfile = { version = "1.0.0", optional = true }
-hyper-trust-dns = { version = "0.4.2", default-features = false, features = [
-  "rustls-http2",
-  "dnssec-ring",
-  "dns-over-https-rustls",
-  "rustls-webpki",
-] }
 rustls = "0.20.6"
 rand = "0.8.5"
 toml = "0.5.9"
 serde = { version = "1.0.137", features = ["derive"] }
+hyper-rustls = { version = "0.23.0", default-features = false, features = [
+  "tokio-runtime",
+  "webpki-tokio",
+  "http1",
+  "http2",
+] }
+# hyper-trust-dns = { version = "0.4.2", default-features = false, features = [
+#   "rustls-http2",
+#   "dnssec-ring",
+#   "dns-over-https-rustls",
+#   "rustls-webpki",
+#   "rustls-native",
+#   "native-tls",
+# ] }
 
 [dev-dependencies]
 
diff --git a/bench/bench.sh b/bench/bench.sh
index 4112376..50542d6 100644
--- a/bench/bench.sh
+++ b/bench/bench.sh
@@ -2,12 +2,12 @@
 
 echo "----------------------------"
 echo "Benchmark on rpxy"
-ab -c 32 -n 10000 http://127.0.0.1:8080/ # TODO: localhost = 127.0.0.1を解決できるように決めておかんとだめそう
+ab -c 10 -n 10000 http://127.0.0.1:8080/ # TODO: localhost = 127.0.0.1を解決できるように決めておかんとだめそう
 
 echo "----------------------------"
 echo "Benchmark on nginx"
-ab -c 32 -n 10000 http://127.0.0.1:8090/
+ab -c 10 -n 10000 http://127.0.0.1:8090/
 
 echo "----------------------------"
 echo "Benchmark on caddy"
-ab -c 32 -n 10000 http://127.0.0.1:8100/
+ab -c 10 -n 10000 http://127.0.0.1:8100/
diff --git a/bench/rpxy.toml b/bench/rpxy.toml
index 682863e..5841808 100644
--- a/bench/rpxy.toml
+++ b/bench/rpxy.toml
@@ -14,5 +14,6 @@ server_name = 'localhost'
 reverse_proxy = [
   # default destination if path is not specified
   # Array for load balancing
-  { upstream = [{ location = '192.168.100.100', tls = false }] },
+  { upstream = [{ location = 'backend-nginx', tls = false }] },
+  # { upstream = [{ location = '192.168.100.100', tls = false }] },
 ]
diff --git a/src/main.rs b/src/main.rs
index fa9640f..e376006 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,7 +20,7 @@ use crate::{
 };
 use futures::future::select_all;
 use hyper::Client;
-use hyper_trust_dns::TrustDnsResolver;
+// use hyper_trust_dns::TrustDnsResolver;
 use std::{collections::HashMap, io::Write, sync::Arc};
 use tokio::time::Duration;
 
@@ -77,7 +77,13 @@ fn main() {
 
 // entrypoint creates and spawns tasks of proxy services
 async fn entrypoint(globals: Arc<Globals>, backends: Arc<Backends>) -> Result<()> {
-  let connector = TrustDnsResolver::default().into_rustls_webpki_https_connector();
+  // let connector = TrustDnsResolver::default().into_rustls_webpki_https_connector();
+  let connector = hyper_rustls::HttpsConnectorBuilder::new()
+    .with_webpki_roots()
+    .https_or_http()
+    .enable_http1()
+    .enable_http2()
+    .build();
   let forwarder = Arc::new(Client::builder().build::<_, hyper::Body>(connector));
 
   let addresses = globals.listen_sockets.clone();