diff --git a/.travis.yml b/.travis.yml
index bbe605f..bb600ed 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,8 @@
 language: racket
 
+env:
+ - VERSION=5.3.5
+
 before_install:
  - chmod u+rx ./install-racket.sh
  - ./install-racket.sh
diff --git a/install-racket.sh b/install-racket.sh
index 5158ff5..275f680 100644
--- a/install-racket.sh
+++ b/install-racket.sh
@@ -1,6 +1,6 @@
 set -e
 
-VERSION=5.3.5
+# VERSION=5.3.5
 URL="http://download.racket-lang.org/installers/$VERSION/racket/racket-$VERSION-bin-x86_64-linux-ubuntu-precise.sh"
 INSTALL="./racket-$VERSION.sh"