diff --git a/requirements.txt b/requirements.txt
index c5d2227..e444422 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ PyYAML==3.12
 requests==2.19.1
 requests-oauthlib==1.0.0
 retrying==1.3.3
-rsa==3.4.2
+rsa==4.7
 six==1.11.0
 sortedcontainers==2.0.4
 tblib==1.3.2