From b3f2ffe929563830a8808fee85c1c6476a98f740 Mon Sep 17 00:00:00 2001
From: Adam Crume <acrume@google.com>
Date: Sat, 17 Oct 2020 17:22:40 -0700
Subject: [PATCH] Upgrade OS versions used by Travis.

We were specifying (or defaulting to) versions which are too old for the TensorFlow prebuilt binaries.
---
 .travis.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index c6dd9da555..28c3f2c845 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: rust
-dist: trusty # still in beta, but required for the prebuilt TF binaries
+dist: bionic
+osx_image: xcode12
 
 cache:
   cargo: true