diff --git a/.travis.yml b/.travis.yml
index 7280f0c..5ea5096 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,10 @@ cache:
 env:
 - PLONE_VERSION=4.3
 - PLONE_VERSION=5.0
+- PLONE_VERSION=5.1
 matrix:
+  allow_failures:
+  - env: PLONE_VERSION=5.1
   fast_finish: true
 install:
 - sed -ie "s#test-4.3#test-$PLONE_VERSION#" buildout.cfg