diff --git a/zipline/core.py b/zipline/core.py
index 7e9b9339..430bb002 100644
--- a/zipline/core.py
+++ b/zipline/core.py
@@ -2,7 +2,7 @@
 Provides simulated data feed services...
 """
 import multiprocessing
-import zmq
+from gevent_zeromq import zmq
 import json
 import copy
 import threading
diff --git a/zipline/messaging.py b/zipline/messaging.py
index db36f219..638a2fdf 100644
--- a/zipline/messaging.py
+++ b/zipline/messaging.py
@@ -3,7 +3,7 @@ Commonly used messaging components.
 """
 import json
 import uuid
-import zmq
+from gevent_zeromq import zmq
 
 import zipline.util as qutil
 
diff --git a/zipline/sources.py b/zipline/sources.py
index b844855d..e1ffb13c 100644
--- a/zipline/sources.py
+++ b/zipline/sources.py
@@ -2,7 +2,7 @@
 Provides data handlers that can push messages to a zipline.core.DataFeed
 """
 import datetime
-import zmq
+from gevent_zeromq import zmq
 import json
 import random
 
diff --git a/zipline/test/client.py b/zipline/test/client.py
index 0f4bc80a..0cb7ffa2 100644
--- a/zipline/test/client.py
+++ b/zipline/test/client.py
@@ -1,4 +1,4 @@
-import zmq
+from gevent_zeromq import zmq
 import json
 import zipline.util as qutil