diff --git a/Cargo.toml b/Cargo.toml
index 3a09d1e..6dc54ca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,7 +38,7 @@ env_logger = "0.11"
 hashlink = "0.10"
 hickory-proto = "0.25"
 httparse = "1"
-ipstack = { version = "0.4" }
+ipstack = { version = "0.5" }
 log = { version = "0.4", features = ["std"] }
 mimalloc = { version = "0.1", default-features = false, optional = true }
 percent-encoding = "2"
diff --git a/src/lib.rs b/src/lib.rs
index eb4f628..0c61856 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -234,7 +234,9 @@ where
 
     let mut ipstack_config = ipstack::IpStackConfig::default();
     ipstack_config.mtu(mtu);
-    ipstack_config.tcp_timeout(std::time::Duration::from_secs(args.tcp_timeout));
+    let mut tcp_cfg = ipstack::TcpConfig::default();
+    tcp_cfg.timeout = std::time::Duration::from_secs(args.tcp_timeout);
+    ipstack_config.with_tcp_config(tcp_cfg);
     ipstack_config.udp_timeout(std::time::Duration::from_secs(args.udp_timeout));
 
     let mut ip_stack = ipstack::IpStack::new(ipstack_config, device);