From 1195ba8c91320833007c497045b7976324912ea6 Mon Sep 17 00:00:00 2001
From: Dave Goddard <dave@goddard.id.au>
Date: Mon, 3 Jul 2017 11:28:02 -0400
Subject: [PATCH] Handle https://github.com/crystal-lang/crystal/issues/4648

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 72be880..97ca3b1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,5 @@
 language: crystal
+before_install: apt-key adv --keyserver keys.gnupg.net --recv-keys A4EBAC6667697DD2
 crystal:
   - latest
 deploy: