diff --git a/requires/lucid_missing.txt b/requires/lucid_missing.txt
index 89e2eb8cac7..a5ed111fdf0 100644
--- a/requires/lucid_missing.txt
+++ b/requires/lucid_missing.txt
@@ -15,7 +15,7 @@
 solrpy==0.9.4
 formalchemy==1.4.1
 pairtree==0.7.1-T
-ofs>=0.4.1
+ofs==0.4.1
 
 apachemiddleware==0.1.1
 licenses==0.6.1