diff --git a/requirements.txt b/requirements.txt
index 4dbe309..c4141cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ pyasn1-modules==0.2.2
 python-dateutil==2.7.3
 pytz==2018.5
 requests==2.20.0
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.1.13
 six==1.11.0
 urllib3==1.24.2