diff --git a/requirements.txt b/requirements.txt
index 47fe61f..095dc06 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ python3-openid==3.1.0
 pytz==2018.9
 requests==2.21.0
 requests-oauthlib==1.2.0
-rsa==4.0
+rsa==4.7
 six==1.12.0
 urllib3==1.24.2
 Whoosh==2.7.4