diff --git a/requirements.txt b/requirements.txt
index 99ad052..1083629 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@ oauth2client==3.0.0
 pbr==1.10.0
 pyasn1==0.1.9
 pyasn1-modules==0.0.8
-rsa==3.4.2
+rsa==4.1
 six==1.10.0