diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 5be3eaa09..244294e14 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -59,6 +59,7 @@ Joshua Hesketh
 Julian Krause
 Jürgen Gmach
 Jurko Gospodnetić
+Karthikeyan Singaravelan
 Krisztian Fekete
 Laszlo Vasko
 Lukasz Balcerzak
diff --git a/src/tox/util/spinner.py b/src/tox/util/spinner.py
index 6241a290d..523a0c496 100644
--- a/src/tox/util/spinner.py
+++ b/src/tox/util/spinner.py
@@ -84,7 +84,7 @@ def __enter__(self):
         self.render_frame()
         self._stop_spinner = threading.Event()
         self._spinner_thread = threading.Thread(target=self.render)
-        self._spinner_thread.setDaemon(True)
+        self._spinner_thread.daemon = True
         self._spinner_thread.start()
         return self