diff --git a/requirements.txt b/requirements.txt
index aeda422..f5da224 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,6 @@ httplib2==0.18.0
 oauth2client==4.1.3
 pyasn1==0.4.5
 pyasn1-modules==0.2.3
-rsa==4.0
+rsa==4.7
 six==1.12.0
 uritemplate==3.0.0