diff --git a/requirements.txt b/requirements.txt
index 432d7cfd01..2f374d77d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ gunicorn==19.7.1
 celery==4.3.0
 kombu==4.6.3
 jsonschema==2.4.0
-RestrictedPython==3.6.0
+RestrictedPython==6.1
 pysaml2==4.5.0
 pycrypto==2.6.1
 funcy==1.7.1