diff --git a/gevent_zeromq/tests.py b/gevent_zeromq/tests.py
index ddd9671..43a19e4 100644
--- a/gevent_zeromq/tests.py
+++ b/gevent_zeromq/tests.py
@@ -3,7 +3,7 @@
 
 try:
     from gevent_utils import BlockingDetector
-    gevent.spawn(BlockingDetector(15))
+    gevent.spawn(BlockingDetector(25))
 except ImportError:
     print 'If you encounter hangs consider installing gevent_utils'