diff --git a/setup.py b/setup.py
index 37305386..0dcd75ae 100644
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@
         'beaker',
         'cryptography==3.2',
         'webassets',
-        'python-ldap==3.1.0',
+        'python-ldap==3.4.0',
         'exchangelib==2.2.0',
         'setproctitle',
         'pyfcm==1.4.3',