diff --git a/requirements.txt b/requirements.txt
index 97e2469..4ca97fc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ python-dateutil==2.7.3
 pytz==2017.2
 query-string==1.0.2
 request==1.0.2
-rsa==3.4.2
+rsa==4.7
 Shapely==1.6.4.post1
 six==1.10.0
 subprocess32==3.5.2