diff --git a/requirements.txt b/requirements.txt
index 7ef56c2..433e501 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -96,7 +96,7 @@ Quandl==3.4.8
 ratelim==0.1.6
 requests==2.21.0
 requests-oauthlib==1.2.0
-rsa==3.4.2
+rsa==4.1
 s3transfer==0.2.0
 scikit-learn==0.21.2
 scipy==1.3.0