diff --git a/requirements.txt b/requirements.txt
index 44cf176..7561def 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ pyasn1-modules==0.2.2
 pybase64==0.4.0
 pytz==2018.7
 requests==2.20.0
-rsa==4.0
+rsa==4.7
 six==1.11.0
 urllib3==1.24.1
 Werkzeug==0.14.1