diff --git a/buildbot/requirements.txt b/buildbot/requirements.txt
index 2376975..6715d54 100644
--- a/buildbot/requirements.txt
+++ b/buildbot/requirements.txt
@@ -1,3 +1,3 @@
 buildbot[bundle,tls]==4.2.1
-python-ldap==3.4.4
+python-ldap==3.4.5
 treq==24.9.1