diff --git a/requirements.txt b/requirements.txt
index ea583ff..b4582ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ pyparsing==2.3.1
 pytz==2018.9
 PyVCF==0.6.8
 requests==2.21.0
-rsa==4.0
+rsa==4.1
 six==1.12.0
 typing==3.6.6
 urllib3==1.24.2