diff --git a/requirements.txt b/requirements.txt
index a425180..fcf6c9c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ pyasn1-modules==0.2.5
 pycparser==2.18
 pyOpenSSL==17.2.0
 pytz==2017.2
-rsa==3.4.2
+rsa==4.1
 six==1.10.0
 tzlocal==1.4
 Unidecode==0.4.21