diff --git a/requirements.txt b/requirements.txt
index 3e85e66..4e3ae1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ pytz==2017.2
 PyYAML==3.12
 requests==2.18.4
 requests-toolbelt==0.8.0
-rsa==3.4.2
+rsa==4.7
 semantic-version==2.5.0
 six==1.10.0
 sox==1.2.8