diff --git a/examples/html_examples/src/main.rs b/examples/html_examples/src/main.rs
index 54cd925..93bca91 100644
--- a/examples/html_examples/src/main.rs
+++ b/examples/html_examples/src/main.rs
@@ -230,7 +230,11 @@ async fn main() {
         .route("/app.css", get(css))
         .with_state(state);
 
-    let addr = SocketAddr::from(([127, 0, 0, 1], 3029));
+    let port = std::env::var("HEMX_HTML_EXAMPLES_PORT")
+        .unwrap_or_else(|_| "3029".to_string())
+        .parse::<u16>()
+        .expect("HEMX_HTML_EXAMPLES_PORT must be a valid u16");
+    let addr = SocketAddr::from(([127, 0, 0, 1], port));
     let listener = tokio::net::TcpListener::bind(addr).await.unwrap();
     println!("hemx HTML examples: http://{addr}");
     axum::serve(listener, app).await.unwrap();