diff --git a/.travis.yml b/.travis.yml
index cf948c2..4ae831c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ addons:
       - liblzma-dev
 before_install:
   - if [ "$TRAVIS_OS_NAME" = osx ] ; then brew update ; fi
+  - if [ "$TRAVIS_OS_NAME" = osx ] ; then brew unlink python@2 ; fi
   - if [ "$TRAVIS_OS_NAME" = osx ] ; then brew upgrade cmake boost ; fi
   - if [ "$TRAVIS_OS_NAME" = osx ] ; then brew install xz ; fi
 script: