From 288e03c91427a24c5b72daf016e05cf9104f03c8 Mon Sep 17 00:00:00 2001
From: Gilbert Wong <gilbertwong96@icloud.com>
Date: Tue, 7 Aug 2018 10:31:57 +0800
Subject: [PATCH] Update OTP version for travis-CI

---
 .travis.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index c625470d0..b2d01f3fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: erlang
 
 otp_release:
-   - 20.0
-   - 20.1
+   - 21.0
+   - 21.0.4
 
 script:
   - make