Update version pins.

buildout.cfg

@@ -6,7 +6,7 @@ parts =
 versions = versions
 
 [versions]
-zdaemon = 4.0.0a1
+zdaemon = 4.1.0
 
 [test]
 recipe = zc.recipe.testrunner

setup.py

@@ -116,10 +116,10 @@ setup(name="ZEO",
       tests_require = tests_require,
       extras_require = dict(test=tests_require),
       install_requires = [
-          'ZODB >= 4.0.0b2',
+          'ZODB >= 4.2.0b1',
           'six',
           'transaction',
-          'persistent',
+          'persistent >= 4.1.0',
           'zc.lockfile',
           'ZConfig',
           'zdaemon',