diff --git a/buildout.cfg b/buildout.cfg
index 7bf9384..55cfcac 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -56,6 +56,9 @@ eggs =
     eea.facetednavigation
 zcml = ${v:policy-package}
 
+zeo-client-cache-size = 256MB
+zodb-cache-size = 60000
+
 environment-vars =
     PYTHON_EGG_CACHE ${buildout:directory}/tmp
     TMPDIR ${buildout:directory}/tmp