diff --git a/requirements.txt b/requirements.txt
index 77258f8..08ca6d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ pyPdf==1.13
 pyserial==3.1.1
 Python-Chart==1.39
 python-dateutil==2.5.3
-python-ldap==2.4.0
+python-ldap==3.4.0
 python-openid==2.2.5
 pytz==2016.7
 pyusb==1.0.0