diff --git a/.travis.yml b/.travis.yml
index 3912c12..e762dde 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,5 @@
-sudo: false
+# travis does not offer python container for OSX or Windows, not sure if we can get automated testing?
+os: linux
 language: python
 python:
   - "3.6"