diff --git a/setup.py b/setup.py
index d979d9cf..5ee27caf 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@
         'msgpack==1.0.0',
         'cssmin',
         'beaker',
-        'cryptography==2.3',
+        'cryptography==3.2',
         'webassets',
         'python-ldap==3.1.0',
         'exchangelib==2.2.0',