diff --git a/requires/lucid_missing.txt b/requires/lucid_missing.txt
index 8b5789e08c8..dccb362c0ec 100644
--- a/requires/lucid_missing.txt
+++ b/requires/lucid_missing.txt
@@ -20,3 +20,4 @@ ofs==0.4.1
 apachemiddleware==0.1.1
 # markupsafe is required by webhelpers==1.2 required by formalchemy with SQLAlchemy 0.6
 markupsafe==0.9.2
+celery==2.5.3