diff --git a/requirements.txt b/requirements.txt
index aa94c23..1c7a5f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ pyasn1-modules==0.2.2
 pytz==2018.5
 requests==2.19.1
 requests-oauthlib==1.0.0
-rsa==4.0
+rsa==4.1
 six==1.11.0
 Unipath==1.1
 uritemplate==3.0.0