diff --git a/fleet-captain/requirements.txt b/fleet-captain/requirements.txt
index 400968e..7fcbd0a 100644
--- a/fleet-captain/requirements.txt
+++ b/fleet-captain/requirements.txt
@@ -13,7 +13,7 @@ python-dateutil==2.6.1
 pytz==2018.3
 PyYAML==3.12
 requests==2.18.4
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.1.13
 six==1.11.0
 urllib3==1.22