diff --git a/.travis.yml b/.travis.yml
index c8b5245..488ba71 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ before_script:
 before_install:
   - npm i -g grunt-cli
   - npm i -g rollup
+  - gem install sass
 after_success:
   - npm run semantic-release
 branches: