diff --git a/.travis.yml b/.travis.yml
index d87df46..02274ba 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,6 +34,43 @@ jobs:
       dist: xenial
       sudo: required
 
+    - os: osx
+      language: generic
+      python: '3.5'
+      env: TWISTED="twisted==18.7.0"
+      before_install:
+        - eval "$(pyenv init -)"
+        - pyenv install 3.5.5
+        - pyenv global 3.5.5
+      sudo: required
+    - os: osx
+      language: generic
+      python: '3.5'
+      env: TWISTED="twisted"
+      before_install:
+        - eval "$(pyenv init -)"
+        - pyenv install 3.5.5
+        - pyenv global 3.5.5
+      sudo: required
+    - os: osx
+      language: generic
+      python: '3.6'
+      env: TWISTED="twisted==18.7.0"
+      before_install:
+        - eval "$(pyenv init -)"
+        - pyenv install 3.6.5
+        - pyenv global 3.6.5
+      sudo: required
+    - os: osx
+      language: generic
+      python: '3.6'
+      env: TWISTED="twisted"
+      before_install:
+        - eval "$(pyenv init -)"
+        - pyenv install 3.6.5
+        - pyenv global 3.6.5
+      sudo: required
+
     - stage: lint
       install: pip install -U -e .[tests] black pyflakes isort
       script: