diff --git a/requirements.txt b/requirements.txt
index 8e6674c..62debdb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,5 +5,5 @@ pkg-resources==0.0.0
 pyasn1==0.1.9
 pyasn1-modules==0.0.8
 requests==2.20.0
-rsa==3.4.2
+rsa==4.7
 six==1.10.0