diff --git a/.travis.yml b/.travis.yml
index 9907a284..81486600 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,6 +25,8 @@ addons:
 before_install:
   - mkdir -p /tmp/git-lfs && curl -L https://github.com/github/git-lfs/releases/download/v1.2.1/git-lfs-$([ "$TRAVIS_OS_NAME" == "linux" ] && echo "linux" || echo "darwin")-amd64-1.2.1.tar.gz | tar -xz -C /tmp/git-lfs --strip-components 1 && /tmp/git-lfs/git-lfs pull
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export DISPLAY=:99.0; sh -e /etc/init.d/xvfb start; sleep 3; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install yarn; fi
 
 install:
   - yarn