1 files changed, 1 insertions, 0 deletions
diff --git a/README b/README
index 62764f49..78af61e9 100644
--- a/README
+++ b/README
@@ -36,6 +36,7 @@ Requirements
 
   - python 2.5 or better <http://www.python.org/>
   - pycrypto 2.1 or better <https://www.dlitz.net/software/pycrypto/>
+  - ecdsa 0.9 or better <https://pypi.python.org/pypi/ecdsa>
 
 If you have setuptools, you can build and install paramiko and all its
 dependencies with this command (as root)::