diff --git a/versions.cfg b/versions.cfg
index e2ac578e0758e50d0a208d9c28f3d90cbb7ddd93..6bca8a18d080c2ed3bc130ab7b70a158b951901b 100644
--- a/versions.cfg
+++ b/versions.cfg
@@ -12,7 +12,7 @@ tempstorage = 2.11.1
 ClientForm = 0.2.10
 RestrictedPython = 3.5.1
 ZConfig = 2.7.1
-ZODB3 = 3.9.0b4
+ZODB3 = 3.9.0b5
 docutils = 0.5
 lxml = 2.2
 mechanize = 0.1.11