diff --git a/backend/requirements.txt b/backend/requirements.txt
index 88ff9d3..899d23f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,5 +1,5 @@
 python-ldap==3.2.0
-cryptography==2.3
+cryptography==3.2
 redis==2.10.6
 celery==3.1.22
 celery-with-redis==3.0