diff --git a/.travis.yml b/.travis.yml
index 54bc7bd62a..0e3b56eb49 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 os: osx
 osx_image: xcode9.3beta # 10.13
 script:
+- /usr/bin/ruby -v
 - sudo rm -rf /usr/local/Homebrew
 - sudo rvm implode --force
 - ./script/boxen --no-fde --stealth --no-pull --debug --profile --login $BOXEN_GITHUB_LOGIN || test $? -eq 2