diff --git a/requirements.txt b/requirements.txt
index a17430c7..b060b240 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,8 @@ python_prctl
 psutil
 pycrypto
 python
-openssl
-libssl-dev
+libssl-dev 
+libffi-dev
 git
 python-msgpack
 python-qt4