diff --git a/.travis.yml b/.travis.yml
index 7750b80..e6b64cb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ matrix:
       language: generic
 
 before_install:
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install python3; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install python3 || brew upgrade python3; fi
 
 install:
   - pip3 install --upgrade --editable .[test,md5,bcrypt]