diff --git a/requirements.txt b/requirements.txt
index 58bc5ad..ba66b27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ python-dotenv==0.5.1
 python-twitter==3.1
 requests==2.10.0
 requests-oauthlib==0.6.2
-rsa==3.4.2
+rsa==4.1
 simplejson==3.8.2
 six==1.10.0
 uritemplate==0.6