3 files changed, 9 insertions, 4 deletions

diff --git a/eventmq/__init__.py b/eventmq/__init__.py
index b41ac60..57a062e 100644
--- a/eventmq/__init__.py
+++ b/eventmq/__init__.py
@@ -1,6 +1,6 @@
 __author__ = 'EventMQ Contributors'
-__version__ = '0.2.6.2'
+__version__ = '0.2.6.3'
 
 PROTOCOL_VERSION = 'eMQP/1.0'
 
-from .client.messages import defer_job
+from .client.messages import defer_job  # noqa
diff --git a/eventmq/router.py b/eventmq/router.py
index b8d25a3..b835f55 100644
--- a/eventmq/router.py
+++ b/eventmq/router.py
@@ -118,6 +118,11 @@ class Router(HeartbeatMixin):
         # Tests skip setting the signals.
         if not kwargs.pop('skip_signal', False):
             signal.signal(signal.SIGHUP, self.sighup_handler)
+            signal.signal(signal.SIGUSR1, self.handle_pdb)
+
+    def handle_pdb(self, sig, frame):
+        import pdb
+        pdb.Pdb().set_trace(frame)
 
     def start(self,
               frontend_addr=conf.FRONTEND_ADDR,
diff --git a/setup.py b/setup.py
index 5ca48fb..00daab6 100644
--- a/setup.py
+++ b/setup.py
@@ -7,10 +7,10 @@ from setuptools import setup, find_packages
 
 setup(
     name='eventmq',
-    version='0.2.6.2',
+    version='0.2.6.3',
     description='EventMQ messaging system based on ZeroMQ',
     packages=find_packages(),
-    install_requires=['pyzmq==14.6.0',
+    install_requires=['pyzmq==15.4.0',
                       'six==1.10.0',
                       'monotonic==0.4',
                       'croniter==0.3.10',