diff --git a/requirements.txt b/requirements.txt
index 885ff71..5180f66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@ httplib2==0.18.0
 oauth2client==4.1.2
 pyasn1==0.3.2
 pyasn1-modules==0.0.11
-rsa==3.4.2
+rsa==4.7
 six==1.10.0
 uritemplate==3.0.0