diff --git a/requirements.txt b/requirements.txt
index 571fbb0..3529ef0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ pytz==2018.4
 PyYAML==3.13
 reportlab==3.5.13
 requests==2.21.0
-rsa==3.4.2
+rsa==4.7
 ruamel.yaml==0.15.89
 s3transfer==0.1.13
 scipy==1.2.1