diff --git a/tap_aggregator/src/server.rs b/tap_aggregator/src/server.rs
index e73788c..e2ed6ac 100644
--- a/tap_aggregator/src/server.rs
+++ b/tap_aggregator/src/server.rs
@@ -223,7 +223,7 @@ pub async fn run_server(
         .max_response_body_size(max_response_body_size)
         .max_connections(max_concurrent_connections)
         .http_only()
-        .build(format!("127.0.0.1:{}", port))
+        .build(format!("0.0.0.0:{}", port))
         .await?;
     let addr = server.local_addr()?;
     println!("Listening on: {}", addr);
@@ -362,7 +362,7 @@ mod tests {
 
         // Start the JSON-RPC client.
         let client = HttpClientBuilder::default()
-            .build(format!("http://0.0.0.0:{}", local_addr.port()))
+            .build(format!("http://127.0.0.1:{}", local_addr.port()))
             .unwrap();
 
         // Create receipts