diff --git a/requirements.txt b/requirements.txt
index 1895138..c64be67 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ python-string-utils==0.6.0
 pytz==2017.3
 PyYAML==3.12
 requests==2.18.4
-rsa==3.4.2
+rsa==4.1
 ruamel.yaml==0.15.35
 six==1.11.0
 structlog==17.2.0