diff --git a/.travis.yml b/.travis.yml
index ff05cc9..83050a6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,18 @@
 langauge: c
+sudo: false
 env:
-  - RACKET_VERSION=6.1.1
+  global:
+    - RACKET_DIR=~/racket
+  matrix:
+    - RACKET_VERSION=6.1.1
 
 before_install:
   - git clone https://github.com/greghendershott/travis-racket.git ../travis-racket
   - cat ../travis-racket/install-racket.sh | bash
+  - export PATH="${RACKET_DIR}/bin:${PATH}"
 
-install: /usr/racket/bin/raco pkg install $TRAVIS_BUILD_DIR
+install: raco pkg install $TRAVIS_BUILD_DIR
 
 script:
- - /usr/racket/bin/raco test -Q $TRAVIS_BUILD_DIR
- - /usr/racket/bin/raco cover -f coveralls -d $TRAVIS_BUILD_DIR/coverage -b $TRAVIS_BUILD_DIR
+ - raco test -Q $TRAVIS_BUILD_DIR
+ - raco cover -f coveralls -d $TRAVIS_BUILD_DIR/coverage -b $TRAVIS_BUILD_DIR
diff --git a/README.md b/README.md
index f57271c..45739f1 100644
--- a/README.md
+++ b/README.md
@@ -28,18 +28,23 @@ If your code is hosted on a public github repo then you can use this plugin in c
 Just enable your repository on both services and then add a `.travis.yml` file to your repo with the following contents:
 ```yml
 langauge: c
+sudo: false
 env:
-  - RACKET_VERSION=6.1.1
+  global:
+    - RACKET_DIR=~/racket
+  matrix:
+    - RACKET_VERSION=6.1.1
 
 before_install:
   - git clone https://github.com/greghendershott/travis-racket.git ../travis-racket
   - cat ../travis-racket/install-racket.sh | bash
+  - export PATH="${RACKET_DIR}/bin:${PATH}"
 
-install: /usr/racket/bin/raco pkg install --deps search-auto $TRAVIS_BUILD_DIR # install dependencies
+install: raco pkg install --deps search-auto $TRAVIS_BUILD_DIR # install dependencies
 
 script:
- - /usr/racket/bin/raco test $TRAVIS_BUILD_DIR # run tests. you wrote tests, right?
- - /usr/racket/bin/raco cover -f coveralls -d $TRAVIS_BUILD_DIR/coverage . # generate coverage information for coveralls
+ - raco test $TRAVIS_BUILD_DIR # run tests. you wrote tests, right?
+ - raco cover -f coveralls -d $TRAVIS_BUILD_DIR/coverage . # generate coverage information for coveralls
 ```
 The above Travis configuration will install any project dependencies, test your project, and report coverage information to coveralls.