diff --git a/serial_test_test/src/lib.rs b/serial_test_test/src/lib.rs
index 9b674e6..edf84d5 100644
--- a/serial_test_test/src/lib.rs
+++ b/serial_test_test/src/lib.rs
@@ -107,12 +107,11 @@ mod tests {
     use serial_test::{file_parallel, file_serial};
 
     #[test]
-    #[serial()]
+    #[serial(timeout_key, timeout_ms = 60000)]
     fn demo_timeout_with_key() {}
 
     #[test]
-    #[serial()]
-    // #[serial(timeout_ms = 60000)]
+    #[serial(timeout_ms = 60000)]
     fn demo_timeout() {}
 
     #[test]