diff --git a/.travis.yml b/.travis.yml
index ee15e1f..194e80f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,9 @@
-dist: bionic
 language: python
 python:
   - "2.7"
   - "3.4"
   - "3.5"
   - "3.6"
-  - "3.7"
 addons:
   apt:
     packages: