diff --git a/requirements.txt b/requirements.txt
index d661897..b80949f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,6 +19,6 @@ pyasn1-modules==0.2.3
 python-dateutil==2.7.5
 pytz==2018.9
 requests==2.21.0
-rsa==4.0
+rsa==4.7
 six==1.12.0
 urllib3==1.24.1