diff --git a/.travis.yml b/.travis.yml
index d757702..1048c11 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -38,7 +38,7 @@ install:
   - pip install tox
 
 script:
-  - tox --parallel all
+  - tox
 
 notifications:
   webhooks: https://galaxy.ansible.com/api/v1/notifications/