setup.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/setup.py b/setup.py
index 629c28f..e987dc6 100644
--- a/setup.py
+++ b/setup.py
@@ -41,8 +41,8 @@ try:
     from setuptools import setup
     kw = {
         'install_requires': [
-            'pycrypto >= 2.1, != 2.4',
-            'ecdsa >= 0.11',
+            'pycrypto >=2.1,!=2.4',
+            'ecdsa >=0.11',
         ],
     }
 except ImportError: