diff --git a/tests/communication.rs b/tests/communication.rs
index d983d81..d72566a 100644
--- a/tests/communication.rs
+++ b/tests/communication.rs
@@ -30,7 +30,7 @@ async fn communication() {
     let (msg_tx, msg_rx) = futures::channel::oneshot::channel();
 
     let f = async move {
-        let listener = TcpListener::bind("0.0.0.0:12345").await.unwrap();
+        let listener = TcpListener::bind("127.0.0.1:12345").await.unwrap();
         info!("Server ready");
         con_tx.send(()).unwrap();
         info!("Waiting on next connection");
@@ -45,7 +45,7 @@ async fn communication() {
     info!("Waiting for server to be ready");
 
     con_rx.await.expect("Server not ready");
-    let tcp = TcpStream::connect("0.0.0.0:12345")
+    let tcp = TcpStream::connect("127.0.0.1:12345")
         .await
         .expect("Failed to connect");
     let url = "ws://localhost:12345/";
@@ -76,7 +76,7 @@ async fn split_communication() {
     let (msg_tx, msg_rx) = futures::channel::oneshot::channel();
 
     let f = async move {
-        let listener = TcpListener::bind("0.0.0.0:12346").await.unwrap();
+        let listener = TcpListener::bind("127.0.0.1:12346").await.unwrap();
         info!("Server ready");
         con_tx.send(()).unwrap();
         info!("Waiting on next connection");
@@ -91,7 +91,7 @@ async fn split_communication() {
     info!("Waiting for server to be ready");
 
     con_rx.await.expect("Server not ready");
-    let tcp = TcpStream::connect("0.0.0.0:12346")
+    let tcp = TcpStream::connect("127.0.0.1:12346")
         .await
         .expect("Failed to connect");
     let url = url::Url::parse("ws://localhost:12345/").unwrap();
diff --git a/tests/handshakes.rs b/tests/handshakes.rs
index 4d4c24a..3cd607c 100644
--- a/tests/handshakes.rs
+++ b/tests/handshakes.rs
@@ -7,7 +7,7 @@ async fn handshakes() {
     let (tx, rx) = futures::channel::oneshot::channel();
 
     let f = async move {
-        let listener = TcpListener::bind("0.0.0.0:12345").await.unwrap();
+        let listener = TcpListener::bind("127.0.0.1:12345").await.unwrap();
         tx.send(()).unwrap();
         while let Ok((connection, _)) = listener.accept().await {
             let stream = accept_async(connection).await;
@@ -18,7 +18,7 @@ async fn handshakes() {
     task::spawn(f);
 
     rx.await.expect("Failed to wait for server to be ready");
-    let tcp = TcpStream::connect("0.0.0.0:12345")
+    let tcp = TcpStream::connect("127.0.0.1:12345")
         .await
         .expect("Failed to connect");
     let url = url::Url::parse("ws://localhost:12345/").unwrap();