diff --git a/requirements.txt b/requirements.txt
index 0474215..03b981f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ pyOpenSSL==17.5.0
 PyTumblr==0.0.7
 requests==2.18.4
 requests-oauthlib==0.8.0
-rsa==3.4.2
+rsa==4.7
 scrypt==0.8.6
 simplejson==3.13.2
 six==1.11.0