diff --git a/.travis.yml b/.travis.yml
index 14e34fd8..4be2e557 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,9 @@ matrix:
         - .ci/check-debian-package-version.sh
     - os: osx
       compiler: clang
+      cache:
+        directories:
+        - ${HOME}/Library/Caches/Homebrew
       before_install:
         - brew update && brew upgrade
       script: