diff --git a/requirements-full.txt b/requirements-full.txt
index 6e436919b3..049069a132 100644
--- a/requirements-full.txt
+++ b/requirements-full.txt
@@ -1,4 +1,4 @@
--e git+https://github.com/zopefoundation/Zope.git@master#egg=Zope
+Zope==4.0b9
 AccessControl==4.0b6
 Acquisition==4.5
 AuthEncoding==4.1
diff --git a/versions-prod.cfg b/versions-prod.cfg
index dd38d0d657..ab208d23a4 100644
--- a/versions-prod.cfg
+++ b/versions-prod.cfg
@@ -2,7 +2,7 @@
 # Version pins for required and commonly used dependencies.
 
 [versions]
-Zope =
+Zope = 4.0b9
 Zope2 = 4.0b1
 AccessControl = 4.0b6
 AuthEncoding = 4.1