diff --git a/dev-plone4.cfg b/dev-plone4.cfg
index 5b08cb2..8d5e808 100644
--- a/dev-plone4.cfg
+++ b/dev-plone4.cfg
@@ -18,13 +18,13 @@ tractor-src-directory = src
 
 # Change the number here to change the version of Plone being used
 extends = 
-    http://dist.plone.org/release/4.0b4/versions.cfg
+    http://dist.plone.org/release/4.0b5/versions.cfg
 versions = versions
 
 # Add additional egg download sources here. dist.plone.org contains archives
 # of Plone packages.
 find-links =
-    http://dist.plone.org/release/4.0b4
+    http://dist.plone.org/release/4.0b5
     http://dist.plone.org/thirdparty
 
 # Add additional eggs here
@@ -43,6 +43,7 @@ develop =
     .
 
 auto-checkout =
+    Products.PloneTestCase
     plone.formwidget.captcha
     plone.formwidget.recaptcha
     collective.akismet
@@ -129,6 +130,7 @@ recipe = collective.recipe.sphinxbuilder
 interpreter = ${buildout:directory}/bin/zopepy
 
 [sources]
+Products.PloneTestCase = svn http://svn.plone.org/svn/collective/Products.PloneTestCase/trunk/
 plone.formwidget.captcha = svn https://svn.plone.org/svn/plone/plone.formwidget.captcha/trunk
 plone.formwidget.recaptcha = svn https://svn.plone.org/svn/plone/plone.formwidget.recaptcha/trunk
 collective.akismet = svn https://svn.plone.org/svn/collective/collective.akismet/trunk