diff --git a/.travis.yml b/.travis.yml
index 01da256..5f8d8ad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ env:
 
 cache:
     directories:
-      - $HOME/.composer/cache
+        - $HOME/.composer/cache
 
 before_install:
     - composer self-update
@@ -33,6 +33,6 @@ script:
     - ant test
 
 matrix:
-  allow_failures:
-    - env: SYMFONY_VERSION=dev-master
-    - php: nightly
+    allow_failures:
+        - env: SYMFONY_VERSION=dev-master
+        - php: nightly
\ No newline at end of file
diff --git a/DependencyInjection/Security/Factory/Factory.php b/DependencyInjection/Security/Factory/Factory.php
index 00fc5c4..84b1006 100644
--- a/DependencyInjection/Security/Factory/Factory.php
+++ b/DependencyInjection/Security/Factory/Factory.php
@@ -4,7 +4,7 @@
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\DependencyInjection\DefinitionDecorator;
+use Symfony\Component\DependencyInjection\ChildDefinition;
 use Symfony\Component\Config\Definition\Builder\NodeDefinition;
 use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\SecurityFactoryInterface;
 
@@ -17,7 +17,7 @@ public function create(ContainerBuilder $container, $id, $config, $userProviderI
     {
         $this->encoderId = 'escape_wsse_authentication.encoder.'.$id;
 
-        $container->setDefinition($this->encoderId, new DefinitionDecorator('escape_wsse_authentication.encoder'));
+        $container->setDefinition($this->encoderId, new ChildDefinition('escape_wsse_authentication.encoder'));
 
         if(isset($config['encoder']['algorithm']))
         {
@@ -42,13 +42,13 @@ public function create(ContainerBuilder $container, $id, $config, $userProviderI
         {
             $this->nonceCacheId = 'escape_wsse_authentication.nonce_cache.'.$id;
 
-            $container->setDefinition($this->nonceCacheId, new DefinitionDecorator('escape_wsse_authentication.nonce_cache'));
+            $container->setDefinition($this->nonceCacheId, new ChildDefinition('escape_wsse_authentication.nonce_cache'));
         }
 
         $providerId = 'escape_wsse_authentication.provider.'.$id;
 
         $container
-            ->setDefinition($providerId, new DefinitionDecorator('escape_wsse_authentication.provider'))
+            ->setDefinition($providerId, new ChildDefinition('escape_wsse_authentication.provider'))
             ->replaceArgument(1, new Reference($userProviderId))
             ->replaceArgument(2, $id)
             ->replaceArgument(3, new Reference($this->encoderId))
@@ -61,7 +61,7 @@ public function create(ContainerBuilder $container, $id, $config, $userProviderI
         $listenerId = 'escape_wsse_authentication.listener.'.$id;
 
         $container
-            ->setDefinition($listenerId, new DefinitionDecorator('escape_wsse_authentication.listener'))
+            ->setDefinition($listenerId, new ChildDefinition('escape_wsse_authentication.listener'))
             ->addArgument($id)
             ->addArgument(new Reference($entryPointId));
 
@@ -115,7 +115,7 @@ protected function createEntryPoint($container, $id, $config, $defaultEntryPoint
         $entryPointId = 'escape_wsse_authentication.entry_point.'.$id;
 
         $container
-            ->setDefinition($entryPointId, new DefinitionDecorator('escape_wsse_authentication.entry_point'))
+            ->setDefinition($entryPointId, new ChildDefinition('escape_wsse_authentication.entry_point'))
             ->replaceArgument(1, $config['realm'])
             ->replaceArgument(2, $config['profile']);
 
diff --git a/Tests/Security/Core/Authentication/Provider/ProviderTest.php b/Tests/Security/Core/Authentication/Provider/ProviderTest.php
index d451f0a..949f5a0 100644
--- a/Tests/Security/Core/Authentication/Provider/ProviderTest.php
+++ b/Tests/Security/Core/Authentication/Provider/ProviderTest.php
@@ -70,12 +70,12 @@ private function clearDir()
 
     protected function setUp()
     {
-        $this->userChecker = $this->getMock('Symfony\Component\Security\Core\User\UserCheckerInterface');
-        $this->userProvider = $this->getMock('Symfony\Component\Security\Core\User\UserProviderInterface');
+        $this->userChecker = $this->createMock('Symfony\Component\Security\Core\User\UserCheckerInterface');
+        $this->userProvider = $this->createMock('Symfony\Component\Security\Core\User\UserProviderInterface');
         $this->providerKey = 'someproviderkey';
         $this->encoder = new MessageDigestPasswordEncoder('sha1', true, 1);
         $this->nonceCache = new PhpFileCache(self::$nonceDir);
-        $this->user = $this->getMock('Symfony\Component\Security\Core\User\UserInterface');
+        $this->user = $this->createMock('Symfony\Component\Security\Core\User\UserInterface');
 
         $this->clearDir();
     }
@@ -104,7 +104,7 @@ public function providerSupports()
         return array(
             array($tokenWithoutAttributes, false),
             array($tokenWithAttributes, true),
-            array($this->getMock('Symfony\Component\Security\Core\Authentication\Token\TokenInterface'), false)
+            array($this->createMock('Symfony\Component\Security\Core\Authentication\Token\TokenInterface'), false)
         );
     }
 
diff --git a/Tests/Security/Http/EntryPoint/EntryPointTest.php b/Tests/Security/Http/EntryPoint/EntryPointTest.php
index b1e19f1..9917d12 100644
--- a/Tests/Security/Http/EntryPoint/EntryPointTest.php
+++ b/Tests/Security/Http/EntryPoint/EntryPointTest.php
@@ -23,8 +23,8 @@ protected function setUp()
 
     public function testStart()
     {
-        $logger = $this->getMock('Psr\Log\LoggerInterface');
-        $request = $this->getMock('Symfony\Component\HttpFoundation\Request');
+        $logger = $this->createMock('Psr\Log\LoggerInterface');
+        $request = $this->createMock('Symfony\Component\HttpFoundation\Request');
         $realm = 'TheRealm';
         $profile = 'TheProfile';
 
@@ -47,8 +47,8 @@ public function testStart()
 
     public function testStartWithNoException()
     {
-        $logger = $this->getMock('Psr\Log\LoggerInterface');
-        $request = $this->getMock('Symfony\Component\HttpFoundation\Request');
+        $logger = $this->createMock('Psr\Log\LoggerInterface');
+        $request = $this->createMock('Symfony\Component\HttpFoundation\Request');
         $realm = 'TheRealm';
         $profile = 'TheProfile';
 
diff --git a/Tests/Security/Http/Firewall/ListenerTest.php b/Tests/Security/Http/Firewall/ListenerTest.php
index d23057b..17fd33e 100644
--- a/Tests/Security/Http/Firewall/ListenerTest.php
+++ b/Tests/Security/Http/Firewall/ListenerTest.php
@@ -42,14 +42,14 @@ protected function setUp()
 
         if (interface_exists('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface')) {
             // TokenStorageInterface for SF >=2.7
-            $this->securityContext = $this->getMock('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface');
+            $this->securityContext = $this->createMock('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface');
         } else {
             // SecurityContextInterface for SF <2.6
-            $this->securityContext = $this->getMock('Symfony\Component\Security\Core\SecurityContextInterface');
+            $this->securityContext = $this->createMock('Symfony\Component\Security\Core\SecurityContextInterface');
         }
 
-        $this->authenticationManager = $this->getMock('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface');
-        $this->authenticationEntryPoint = $this->getMock('Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface');
+        $this->authenticationManager = $this->createMock('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface');
+        $this->authenticationEntryPoint = $this->createMock('Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface');
     }
 
     /**
@@ -61,7 +61,7 @@ public function handleReturnToken()
         $token->setAttribute('nonce','somenonce');
         $token->setAttribute('created','2010-12-12 20:00:00');
 
-        $tokenMock2 = $this->getMock('Symfony\Component\Security\Core\Authentication\Token\TokenInterface');
+        $tokenMock2 = $this->createMock('Symfony\Component\Security\Core\Authentication\Token\TokenInterface');
         $this->authenticationManager->expects($this->once())->method('authenticate')->with($token)->will($this->returnValue($tokenMock2));
         $this->securityContext->expects($this->once())->method('setToken')->with($tokenMock2);
         $this->request->headers->add(array('X-WSSE'=>'UsernameToken Username="someuser", PasswordDigest="somedigest", Nonce="somenonce", Created="2010-12-12 20:00:00"'));
diff --git a/Tests/bootstrap.php b/Tests/bootstrap.php
index b92ef2b..d588795 100644
--- a/Tests/bootstrap.php
+++ b/Tests/bootstrap.php
@@ -10,4 +10,4 @@
 require_once $file;
 
 // disable the deprecation warnings
-PHPUnit_Framework_Error_Deprecated::$enabled = FALSE;
+//PHPUnit_Framework_Error_Deprecated::$enabled = FALSE;
diff --git a/composer.json b/composer.json
index ef861cc..70ea076 100644
--- a/composer.json
+++ b/composer.json
@@ -17,14 +17,14 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "php": ">=5.3.9",
-        "symfony/framework-bundle": "~2.3|~3.0",
-        "symfony/security-bundle": "~2.3|~3.0",
+        "php": ">=5.3.9 || ^7.0",
+        "symfony/framework-bundle": "~2.3 || ~3.0 || ^4.0",
+        "symfony/security-bundle": "~2.3 || ~3.0 || ^4.0",
         "doctrine/common": "~2.2"
     },
     "require-dev": {
-        "symfony/finder": "~2.3|~3.0",
-        "symfony/phpunit-bridge": "~2.7|~3.0"
+        "symfony/finder": "~2.3 || ~3.0",
+        "symfony/phpunit-bridge": "~2.7 || ~3.0 || ^4.0"
     },
     "autoload": {
         "psr-0": { "Escape\\WSSEAuthenticationBundle": "" }