diff --git a/.travis.yml b/.travis.yml
index a7c0f95..91799f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: racket
 
 env:
+ - RACKET_VERSION=6.1.1
  - RACKET_VERSION=HEAD
 
 before_install: