diff --git a/requirements.txt b/requirements.txt
index e97f51b..50a744d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ pytz==2017.2
 PyYAML==3.12
 redis==2.10.6
 requests==2.18.4
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.1.11
 six==1.11.0
 stylelens-index==1.0.0