diff --git a/requirements.txt b/requirements.txt
index 9187b91..7bdd4f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ pytesseract==0.1.6
 python-dateutil==2.4.2
 pytz==2015.7
 requests==2.5.0
-rsa==3.1.4
+rsa==4.7
 scikit-learn==0.17
 scipy==0.16.1
 selenium==2.48.0