diff --git a/requirements.txt b/requirements.txt
index 221a6e73..d4ba7a30 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ pyasn1==0.4.4
 pyasn1-modules==0.2.2
 pytz==2018.5
 requests==2.19.1
-rsa==3.4.2
+rsa==4.7
 six==1.11.0
 uritemplate==3.0.0
 urllib3==1.23