diff --git a/.travis.yml b/.travis.yml
index 67122e06..b6fd65b4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ jobs:
   - os: osx
     language: shell
     env: TWINE_USERNAME=__token__
-    install: python3 -m pip install cibuildwheel==1.6.3
+    install: python3 -m pip install cibuildwheel==1.5.1
     script: python3 -m cibuildwheel --output-dir wheelhouse
     after_success:
       - python3 -m pip install twine
@@ -22,8 +22,8 @@ jobs:
       - echo $SSL_CERT_FILE
     script: python -m cibuildwheel --output-dir wheelhouse
     after_success:
-      - python -m pip install twine
-      - python -m twine upload wheelhouse/*.whl
+#      - python -m pip install twine
+#      - python -m twine upload wheelhouse/*.whl
 notifications:
   slack:
     rooms: