diff --git a/.travis.yml b/.travis.yml
index 01ebd928..5225cba0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,14 @@ install:
 - script/rebund download
 - travis_retry bundle install --path vendor/bundle
 rvm:
-- 2.1.0
+# 2.1, not 2.1.0 until fixed https://github.com/travis-ci/travis-ci/issues/2220
+- 2.1
 - 2.0.0
 - 1.9.3
+matrix:
+  allow_failures:
+  # until fixed https://github.com/travis-ci/travis-ci/issues/2220
+  - rvm: 2.1
 script: script/cibuild
 after_script:
 - script/rebund upload