diff --git a/requirements.txt b/requirements.txt
index d248e82..9551999 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ pyasn1-modules==0.0.8
 python-firebase==1.2
 pytz==2017.3
 requests==2.18.4
-rsa==3.4.2
+rsa==4.1
 six==1.10.0
 swampy==2.1.7
 uritemplate==3.0.0