diff --git a/ztk-versions.cfg b/ztk-versions.cfg
index 7ad4077..df817e2 100644
--- a/ztk-versions.cfg
+++ b/ztk-versions.cfg
@@ -60,7 +60,7 @@ zope.structuredtext = 4.1.0
 zope.tal = 4.1.0
 zope.tales = 4.1.0
 zope.testing = 4.1.3
-zope.testrunner = 4.4.5
+zope.testrunner = 4.4.6
 zope.traversing = 4.0.0
 zope.viewlet = 4.0.0