diff --git a/requirements.txt b/requirements.txt
index b79d7dd..d61729f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ PyNaCl==1.3.0
 python-dateutil==2.8.0
 PyYAML==5.1.2
 requests==2.22.0
-rsa==3.4.2
+rsa==4.1
 s3transfer==0.2.1
 six==1.12.0
 slack==0.0.2