diff --git a/requirements.txt b/requirements.txt
index 741370a..0487e56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ pyasn1==0.1.8
 pyasn1-modules==0.0.6
 python-wordpress-xmlrpc==2.3
 requests==2.7.0
-rsa==3.1.4
+rsa==4.7
 simplejson==3.7.3
 six==1.9.0
 uritemplate==0.6