diff --git a/.travis.yml b/.travis.yml
index a0d0aaf..2ad7034 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,9 +11,13 @@ language: c
 env:
  - RACKET_VERSION=5.3.4
  - RACKET_VERSION=5.3.5
+ - RACKET_VERSION=HEAD
 
 before_install:
- - curl -L https://github.com/greghendershott/travis-racket/releases/download/v0.2/install-racket.sh | sh
+ # Temporarily use raw.github.com to test this. Once working, will make a v0.3 and
+ # change this back to be an example of the right way to do this.
+ - curl https://raw.github.com/greghendershott/travis-racket/master/install-racket.sh | sh
+# - curl -L https://github.com/greghendershott/travis-racket/releases/download/v0.2/install-racket.sh | sh
 
 install:
 
diff --git a/install-racket.sh b/install-racket.sh
index d34a6ab..5918a8d 100644
--- a/install-racket.sh
+++ b/install-racket.sh
@@ -1,6 +1,15 @@
 set -e
 
-URL="http://download.racket-lang.org/installers/$RACKET_VERSION/racket/racket-$RACKET_VERSION-bin-x86_64-linux-debian-squeeze.sh"
+if [ "$RACKET_VERSION" == "HEAD" ]; then
+    # Unfortunately there is no abstract URL for "HEAD" -- the nighly
+    # builds have a version number like 5.90.0.9 embedded in the
+    # URL. So this will need to be updated manually whenever the
+    # version is bumped.
+    URL="http://www.cs.utah.edu/plt/snapshots/current/installers/racket-5.90.0.9-x86_64-linux-precise.sh"
+else
+    URL="http://download.racket-lang.org/installers/$RACKET_VERSION/racket/racket-$RACKET_VERSION-bin-x86_64-linux-debian-squeeze.sh"
+fi
+
 INSTALL="./racket-${RACKET_VERSION}.sh"
 
 echo "Downloading $URL to $INSTALL:"