Switch travis to use xenial

diff --git a/.travis.yml b/.travis.yml
index a0ed70c19601565c24634c0e5ecbc6f2bc34757f..8e61677fd26521109858fc43615e79a667ee807c 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,9 @@
-sudo: false
+dist: xenial

 language: ruby
 rvm:
 language: ruby
 rvm:

-  - 2.5.1
-cache: bundler
+  - 2.5.3
+cache:
+  - bundler

 addons:
   postgresql: 9.5
   apt:
 addons:
   postgresql: 9.5
   apt: