1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 9fa13d15..f9c4b4fe 100644
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,7 @@ try:
     kw = {
         'install_requires': [
             'pycrypto>=2.1,!=2.4',
-            'ecdsa',
+            'ecdsa>=0.11',
         ],
     }
 except ImportError: