From bd19850dbdab40d375054d2a78e965d61693e605 Mon Sep 17 00:00:00 2001
From: Matthew Butterick <mbutterick@users.noreply.github.com>
Date: Thu, 2 Apr 2015 10:03:11 -0700
Subject: [PATCH] Enlarge build matrix

---
 .travis.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 548c58b..1d19306 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,10 @@ env:
   global:
     - RACKET_DIR=~/racket
   matrix:
+    - RACKET_VERSION=6.0
+    - RACKET_VERSION=6.1
     - RACKET_VERSION=6.1.1
+    - RACKET_VERSION=HEAD
 
 matrix:
   fast_finish: true