diff --git a/examples/select-installation-group.py b/examples/select-installation-group.py
index c347357..c8e5816 100644
--- a/examples/select-installation-group.py
+++ b/examples/select-installation-group.py
@@ -13,7 +13,8 @@
 async def main():
     """Basic Airzone client example."""
 
-    async with aiohttp.ClientSession() as aiohttp_session:
+    connector = aiohttp.TCPConnector(limit=4)
+    async with aiohttp.ClientSession(connector=connector) as aiohttp_session:
         client = AirzoneCloudApi(aiohttp_session, _secrets.AIRZONE_OPTIONS)
 
         try: