diff --git a/requirements.txt b/requirements.txt
index fdc0960..6645141 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ httplib2==0.10.3
 oauth2client==4.1.2
 pyasn1==0.4.2
 pyasn1-modules==0.2.1
-rsa==3.4.2
+rsa==4.1
 six==1.11.0
 uritemplate==3.0.0