diff --git a/.travis.yml b/.travis.yml
index 017f878f..1fa91601 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ os: osx
 osx_image: xcode9.4
 before_install:
   - brew install openssl
+  - brew link --force openssl
 install:
   - pip install -r requirements.txt
   - python setup.py install