diff --git a/lintunes/__init__.py b/lintunes/__init__.py
index d96b3c3..9b6daee 100644
--- a/lintunes/__init__.py
+++ b/lintunes/__init__.py
@@ -1,3 +1,3 @@
 """LinTunes — iTunes-style music library manager and player for Linux."""
 
-__version__ = "0.10.0"
+__version__ = "0.10.1"
diff --git a/lintunes/cast/server.py b/lintunes/cast/server.py
index 4ae472b..749e776 100644
--- a/lintunes/cast/server.py
+++ b/lintunes/cast/server.py
@@ -157,7 +157,11 @@ class TrackServer:
         httpd.daemon_threads = True
         httpd.track_server = self
         self._httpd = httpd
-        self._thread = threading.Thread(target=httpd.serve_forever, daemon=True)
+        # poll_interval is how long shutdown() may block waiting for the
+        # serve_forever loop to notice: the default 0.5 s is paid on the GUI
+        # thread every time a cast session ends.
+        self._thread = threading.Thread(
+            target=lambda: httpd.serve_forever(poll_interval=0.01), daemon=True)
         self._thread.start()
         return self.port