diff --git a/api2fusion/requirements.txt b/api2fusion/requirements.txt
index e508e080..e21e5556 100644
--- a/api2fusion/requirements.txt
+++ b/api2fusion/requirements.txt
@@ -14,7 +14,7 @@ pyasn1-modules==0.2.2
 python-dateutil==2.7.3
 pytz==2018.5
 requests==2.20.0
-rsa==3.4.2
+rsa==4.1
 six==1.11.0
 uritemplate==3.0.0
 urllib3==1.24.2