diff --git a/requirements.txt b/requirements.txt
index f4673af..c3f57ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ pyasn1-modules==0.0.8
 python-dateutil==2.5.3
 requests==2.11.1
 requests-oauthlib==0.6.2
-rsa==3.4.2
+rsa==4.7
 simplejson==3.8.2
 six==1.10.0
 uritemplate==0.6