diff --git a/requirements.txt b/requirements.txt
index 0c3e849..2ef7d9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,6 +20,6 @@ pyasn1-modules==0.2.1
 pymongo==3.6.1
 pytz==2018.4
 requests==2.18.4
-rsa==3.4.2
+rsa==4.7
 six==1.11.0
 urllib3==1.22