diff --git a/.travis.yml b/.travis.yml
index c8ae217a29..3001e4a4c9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,6 +23,9 @@ before_script:
   - export PATH=~/.composer/vendor/bin/:$PATH
   - mysql -uroot -e "SET PASSWORD = PASSWORD('$TESTSUITE_PASSWORD')" ;
   - set -e ; if [[ -z "$LINT" ]] ; then
+
+    composer install --dev --no-interaction ;
+
     if [[ $TRAVIS_PHP_VERSION != "hhvm" ]] ; then
 
     if [[ $TRAVIS_PHP_VERSION != "5.6" ]] ; then
@@ -37,8 +40,6 @@ before_script:
     phpenv config-add test/travis.php.ini ;
     fi
 
-    composer install --dev --no-interaction ;
-
     wget https://scrutinizer-ci.com/ocular.phar ;
 
     fi ;
diff --git a/build.xml b/build.xml
index c0e5575768..88b4d260d2 100644
--- a/build.xml
+++ b/build.xml
@@ -24,19 +24,19 @@
  </target>
 
  <target name="phpunit" description="Run unit tests using PHPUnit and generates junit.xml and clover.xml">
-  <exec executable="phpunit" failonerror="true">
+  <exec executable="${basedir}/vendor/bin/phpunit" failonerror="true">
       <arg line="--configuration ${env.PHPUNIT_XML} ${env.PHPUNIT_ARGS}"/>
   </exec>
  </target>
 
  <target name="phpunit-nocoverage" description="Run unit tests using PHPUnit and generates junit.xml">
-  <exec executable="phpunit" failonerror="true">
+  <exec executable="${basedir}/vendor/bin/phpunit" failonerror="true">
       <arg line="--configuration ${env.PHPUNIT_XML_NOCOVERAGE} ${env.PHPUNIT_ARGS}"/>
   </exec>
  </target>
 
  <target name="phpunit-hhvm" description="Run unit tests using PHPUnit with HHVM specific config">
-  <exec executable="phpunit" failonerror="true">
+  <exec executable="${basedir}/vendor/bin/phpunit" failonerror="true">
       <arg line="--configuration ${env.PHPUNIT_XML_HHVM} ${env.PHPUNIT_ARGS}"/>
   </exec>
  </target>
diff --git a/composer.json b/composer.json
index e5c79ed78c..117a2c855c 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     },
     "require-dev": {
         "satooshi/php-coveralls": ">=0.6",
-        "phpunit/phpunit": ">=3.7",
+        "phpunit/phpunit": "<4.2",
         "phpunit/phpunit-selenium": ">=1.2"
     }
 }