Update .travis.yml

robertodr · robertodr · commit 7f5b2358ae79 · 2017-08-09T17:58:06.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,8 +3,10 @@ sudo: false
 dist: trusty
 compiler: clang
 os: linux
+ruby: 2.2.0
 before_script:
 - cmake --version
+- bundle install
 script:
 - cmake -H. -Bbuild
 - cd build
