diff --git a/pytest_mqtt/util.py b/pytest_mqtt/util.py
index dd9d856..005f62e 100644
--- a/pytest_mqtt/util.py
+++ b/pytest_mqtt/util.py
@@ -15,6 +15,7 @@ def probe_tcp_connect(host: str, port: int) -> bool:
     https://github.com/lovelysystems/lovely.testlayers/blob/0.7.0/src/lovely/testlayers/util.py#L6-L13
     """
     s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.settimeout(0.1)
     ex = s.connect_ex((host, port))
     if ex == 0:
         s.close()