diff --git a/.travis.yml b/.travis.yml
index 07ac209fed1d486ef988325a1ed58a4471cb5a97..4739a1725893be9b287e291edee3b4c92b786493 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,15 +18,14 @@ matrix:
             - python-pip
             - python2.7-dev
         ssh_known_hosts: 13.229.163.131
-    - python: 3.7
-      dist: xenial  # required for Python >= 3.7 (travis-ci/travis-ci#9069)
+    - python: 3.6
       addons:
         apt:
           packages:
             - git
-            - python3.7
-            - python3.7-pip
-            - python3.7-dev
+            - python3.6
+            - python3.6-pip
+            - python3.6-dev
         ssh_known_hosts: 13.229.163.131
 
 before_install: