diff --git a/IPython/zmq/__init__.py b/IPython/zmq/__init__.py
index 32bd7f4..0063d45 100644
--- a/IPython/zmq/__init__.py
+++ b/IPython/zmq/__init__.py
@@ -6,10 +6,10 @@
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
-# Verify zmq version dependency >= 2.0.10.1
+# Verify zmq version dependency >= 2.0.10-1
 #-----------------------------------------------------------------------------
 
-minimum_pyzmq_version = "2.0.10.1"
+minimum_pyzmq_version = "2.0.10-1"
 
 try:
     import zmq