diff --git a/.travis.yml b/.travis.yml
index 8823297..71a05ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,3 +10,5 @@ php:
 # This triggers builds to run on the new TravisCI infrastructure.
 # See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/
 sudo: false
+
+install: travis_retry composer install --no-interaction --prefer-source
\ No newline at end of file
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 8ed62f7..fd7d0e7 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit processIsolation="false"
+<phpunit bootstrap="vendor/autoload.php"
+         processIsolation="false"
          stopOnFailure="false"
          syntaxCheck="false">
     <testsuites>
diff --git a/tests/CreateTest.php b/tests/CreateTest.php
index aef9c9f..5e211cd 100644
--- a/tests/CreateTest.php
+++ b/tests/CreateTest.php
@@ -1,7 +1,5 @@
 <?php
 
-require __DIR__ . '/../src/Create.php';
-
 use function Stringy\create as s;
 
 class CreateTestCase extends PHPUnit_Framework_TestCase
diff --git a/tests/StaticStringyTest.php b/tests/StaticStringyTest.php
index a2840cd..653708b 100644
--- a/tests/StaticStringyTest.php
+++ b/tests/StaticStringyTest.php
@@ -1,7 +1,5 @@
 <?php
 
-require __DIR__ . '/../src/StaticStringy.php';
-
 use Stringy\StaticStringy as S;
 
 class StaticStringyTestCase extends PHPUnit_Framework_TestCase
diff --git a/tests/StringyTest.php b/tests/StringyTest.php
index 3fa1f37..d80676a 100644
--- a/tests/StringyTest.php
+++ b/tests/StringyTest.php
@@ -1,7 +1,5 @@
 <?php
 
-require __DIR__ . '/../src/Stringy.php';
-
 use Stringy\Stringy as S;
 
 class StringyTestCase extends PHPUnit_Framework_TestCase