diff --git a/requirements/base.txt b/requirements/base.txt
old mode 100755
new mode 100644
index fa90fdf..e2a4194
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -20,7 +20,7 @@ pytz==2015.6
 requests==2.11.1
 requests-oauthlib==0.5.0
 six==1.10.0
-cryptography==2.1.3
+cryptography==3.2
 fabric==1.14.0
 celery==4.1.1
 django-celery-results==1.0.1