diff --git a/.travis.yml b/.travis.yml
index e3421d0..4adce84 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,6 @@ before_script:
   - composer install --prefer-source
 
 php:
-  - 5.5
-  - 5.6
   - 7.0
-  - hhvm
+  - 7.1
+  - 7.2
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 51512e6..b421f69 100644
--- a/composer.json
+++ b/composer.json
@@ -21,14 +21,14 @@
         }
     ],
     "require": {
-        "php"                 : ">=5.5",
+        "php"                 : "~7.0",
         "evenement/evenement" : "^2.0|^1.0",
         "monolog/monolog"     : "^1.3",
         "psr/log"             : "^1.0",
         "symfony/process"     : "^2.0|^3.0"
     },
     "require-dev": {
-        "phpunit/phpunit"     : "^4.0"
+        "phpunit/phpunit"     : "~6.0"
     },
     "autoload": {
         "psr-0": {
diff --git a/src/Alchemy/BinaryDriver/BinaryDriverTestCase.php b/src/Alchemy/BinaryDriver/BinaryDriverTestCase.php
index 3d0463d..061c07b 100644
--- a/src/Alchemy/BinaryDriver/BinaryDriverTestCase.php
+++ b/src/Alchemy/BinaryDriver/BinaryDriverTestCase.php
@@ -2,20 +2,21 @@
 
 namespace Alchemy\BinaryDriver;
 
+use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\Process\Process;
 
 /**
  * Convenient PHPUnit methods for testing BinaryDriverInterface implementations.
  */
-class BinaryDriverTestCase extends \PHPUnit_Framework_TestCase
+class BinaryDriverTestCase extends TestCase
 {
     /**
      * @return ProcessBuilderFactoryInterface
      */
     public function createProcessBuilderFactoryMock()
     {
-        return $this->getMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
+        return $this->createMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
     }
 
     /**
@@ -63,7 +64,7 @@ public function createProcessMock($runs = 1, $success = true, $commandLine = nul
      */
     public function createLoggerMock()
     {
-        return $this->getMock('Psr\Log\LoggerInterface');
+        return $this->createMock('Psr\Log\LoggerInterface');
     }
 
     /**
@@ -71,6 +72,6 @@ public function createLoggerMock()
      */
     public function createConfigurationMock()
     {
-        return $this->getMock('Alchemy\BinaryDriver\ConfigurationInterface');
+        return $this->createMock('Alchemy\BinaryDriver\ConfigurationInterface');
     }
 }
diff --git a/tests/Alchemy/Tests/BinaryDriver/AbstractBinaryTest.php b/tests/Alchemy/Tests/BinaryDriver/AbstractBinaryTest.php
index f51ab6f..40371d2 100644
--- a/tests/Alchemy/Tests/BinaryDriver/AbstractBinaryTest.php
+++ b/tests/Alchemy/Tests/BinaryDriver/AbstractBinaryTest.php
@@ -61,21 +61,21 @@ public function testMultipleLoadWithBinaryName()
 
     public function testLoadWithMultiplePathExpectingAFailure()
     {
-        $this->setExpectedException(ExecutableNotFoundException::class);
+        $this->expectException(ExecutableNotFoundException::class);
 
         Implementation::load(array('bachibouzouk', 'moribon'));
     }
 
     public function testLoadWithUniquePathExpectingAFailure()
     {
-        $this->setExpectedException(ExecutableNotFoundException::class);
+        $this->expectException(ExecutableNotFoundException::class);
 
         Implementation::load('bachibouzouk');
     }
 
     public function testLoadWithCustomLogger()
     {
-        $logger = $this->getMock('Psr\Log\LoggerInterface');
+        $logger = $this->createMock('Psr\Log\LoggerInterface');
         $imp = Implementation::load('php', $logger);
 
         $this->assertEquals($logger, $imp->getProcessRunner()->getLogger());
@@ -91,7 +91,7 @@ public function testLoadWithCustomConfigurationAsArray()
 
     public function testLoadWithCustomConfigurationAsObject()
     {
-        $conf = $this->getMock('Alchemy\BinaryDriver\ConfigurationInterface');
+        $conf = $this->createMock('Alchemy\BinaryDriver\ConfigurationInterface');
         $imp = Implementation::load('php', null, $conf);
 
         $this->assertEquals($conf, $imp->getConfiguration());
@@ -100,7 +100,7 @@ public function testLoadWithCustomConfigurationAsObject()
     public function testProcessBuilderFactoryGetterAndSetters()
     {
         $imp = Implementation::load('php');
-        $factory = $this->getMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
+        $factory = $this->createMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
 
         $imp->setProcessBuilderFactory($factory);
         $this->assertEquals($factory, $imp->getProcessBuilderFactory());
@@ -109,7 +109,7 @@ public function testProcessBuilderFactoryGetterAndSetters()
     public function testConfigurationGetterAndSetters()
     {
         $imp = Implementation::load('php');
-        $conf = $this->getMock('Alchemy\BinaryDriver\ConfigurationInterface');
+        $conf = $this->createMock('Alchemy\BinaryDriver\ConfigurationInterface');
 
         $imp->setConfiguration($conf);
         $this->assertEquals($conf, $imp->getConfiguration());
@@ -132,7 +132,7 @@ public function testTimeoutIsSetOnProcessBuilderSetting()
     {
         $imp = Implementation::load('php', null, array('timeout' => 42));
 
-        $factory = $this->getMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
+        $factory = $this->createMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
         $factory->expects($this->once())
             ->method('setTimeout')
             ->with(42);
@@ -148,7 +148,7 @@ public function testListenRegistersAListener()
             ->disableOriginalConstructor()
             ->getMock();
 
-        $listener = $this->getMock('Alchemy\BinaryDriver\Listeners\ListenerInterface');
+        $listener = $this->createMock('Alchemy\BinaryDriver\Listeners\ListenerInterface');
 
         $listeners->expects($this->once())
             ->method('register')
@@ -168,8 +168,8 @@ public function testListenRegistersAListener()
     public function testCommandRunsAProcess($parameters, $bypassErrors, $expectedParameters, $output)
     {
         $imp = Implementation::load('php');
-        $factory = $this->getMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
-        $processRunner = $this->getMock('Alchemy\BinaryDriver\ProcessRunnerInterface');
+        $factory = $this->createMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
+        $processRunner = $this->createMock('Alchemy\BinaryDriver\ProcessRunnerInterface');
 
         $process = $this->getMockBuilder('Symfony\Component\Process\Process')
             ->disableOriginalConstructor()
@@ -197,8 +197,8 @@ public function testCommandRunsAProcess($parameters, $bypassErrors, $expectedPar
     public function testCommandWithTemporaryListeners($parameters, $bypassErrors, $expectedParameters, $output, $count, $listeners)
     {
         $imp = Implementation::load('php');
-        $factory = $this->getMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
-        $processRunner = $this->getMock('Alchemy\BinaryDriver\ProcessRunnerInterface');
+        $factory = $this->createMock('Alchemy\BinaryDriver\ProcessBuilderFactoryInterface');
+        $processRunner = $this->createMock('Alchemy\BinaryDriver\ProcessRunnerInterface');
 
         $process = $this->getMockBuilder('Symfony\Component\Process\Process')
             ->disableOriginalConstructor()
@@ -263,7 +263,7 @@ public function testUnlistenUnregistersAListener()
             ->disableOriginalConstructor()
             ->getMock();
 
-        $listener = $this->getMock('Alchemy\BinaryDriver\Listeners\ListenerInterface');
+        $listener = $this->createMock('Alchemy\BinaryDriver\Listeners\ListenerInterface');
 
         $listeners->expects($this->once())
             ->method('unregister')
@@ -282,7 +282,7 @@ public function testUnlistenUnregistersAListener()
      */
     private function getMockListener()
     {
-        $listener = $this->getMock(ListenerInterface::class);
+        $listener = $this->createMock(ListenerInterface::class);
         $listener->expects($this->any())
             ->method('forwardedEvents')
             ->willReturn(array());
diff --git a/tests/Alchemy/Tests/BinaryDriver/AbstractProcessBuilderFactoryTest.php b/tests/Alchemy/Tests/BinaryDriver/AbstractProcessBuilderFactoryTest.php
index de0b61c..2f3e059 100644
--- a/tests/Alchemy/Tests/BinaryDriver/AbstractProcessBuilderFactoryTest.php
+++ b/tests/Alchemy/Tests/BinaryDriver/AbstractProcessBuilderFactoryTest.php
@@ -4,8 +4,9 @@
 
 use Symfony\Component\Process\ExecutableFinder;
 use Alchemy\BinaryDriver\ProcessBuilderFactory;
+use PHPUnit\Framework\TestCase;
 
-abstract class AbstractProcessBuilderFactoryTest extends \PHPUnit_Framework_TestCase
+abstract class AbstractProcessBuilderFactoryTest extends TestCase
 {
     public static $phpBinary;
 
diff --git a/tests/Alchemy/Tests/BinaryDriver/ConfigurationTest.php b/tests/Alchemy/Tests/BinaryDriver/ConfigurationTest.php
index b2cd2dd..063539b 100644
--- a/tests/Alchemy/Tests/BinaryDriver/ConfigurationTest.php
+++ b/tests/Alchemy/Tests/BinaryDriver/ConfigurationTest.php
@@ -3,8 +3,9 @@
 namespace Alchemy\Tests\BinaryDriver;
 
 use Alchemy\BinaryDriver\Configuration;
+use PHPUnit\Framework\TestCase;
 
-class ConfigurationTest extends \PHPUnit_Framework_TestCase
+class ConfigurationTest extends TestCase
 {
     public function testArrayAccessImplementation()
     {
diff --git a/tests/Alchemy/Tests/BinaryDriver/Listeners/DebugListenerTest.php b/tests/Alchemy/Tests/BinaryDriver/Listeners/DebugListenerTest.php
index 6995867..1b2f1c9 100644
--- a/tests/Alchemy/Tests/BinaryDriver/Listeners/DebugListenerTest.php
+++ b/tests/Alchemy/Tests/BinaryDriver/Listeners/DebugListenerTest.php
@@ -4,8 +4,9 @@
 
 use Alchemy\BinaryDriver\Listeners\DebugListener;
 use Symfony\Component\Process\Process;
+use PHPUnit\Framework\TestCase;
 
-class DebugListenerTest extends \PHPUnit_Framework_TestCase
+class DebugListenerTest extends TestCase
 {
     public function testHandle()
     {
diff --git a/tests/Alchemy/Tests/BinaryDriver/Listeners/ListenersTest.php b/tests/Alchemy/Tests/BinaryDriver/Listeners/ListenersTest.php
index fe96d73..62a2d7f 100644
--- a/tests/Alchemy/Tests/BinaryDriver/Listeners/ListenersTest.php
+++ b/tests/Alchemy/Tests/BinaryDriver/Listeners/ListenersTest.php
@@ -5,8 +5,9 @@
 use Alchemy\BinaryDriver\Listeners\Listeners;
 use Evenement\EventEmitter;
 use Alchemy\BinaryDriver\Listeners\ListenerInterface;
+use PHPUnit\Framework\TestCase;
 
-class ListenersTest extends \PHPUnit_Framework_TestCase
+class ListenersTest extends TestCase
 {
     public function testRegister()
     {