diff --git a/.travis.yml b/.travis.yml
index dfa28c1..4bc508e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,49 +1,75 @@
 language: php
+
 sudo: false
-dist: trusty
 
-php:
-  - 7.1
-  - 7.0
-  - 5.6
-  - hhvm
+cache:
+    directories:
+        - $HOME/.composer/cache/files
+        - $HOME/symfony-bridge/.phpunit
 
 env:
-  global:
-    - COMPOSER_COMMAND="composer install --prefer-dist"
-    - TEST_COMMAND="php vendor/bin/phpunit"
-    - COVERAGE=false
-  matrix:
-    - SYMFONY_VERSION=2.7.*
-    - SYMFONY_VERSION=2.8.*
-    - SYMFONY_VERSION=3.1.*
-    - SYMFONY_VERSION=3.2.*
+    global:
+        - TEST_COMMAND="composer test"
+        - SYMFONY_PHPUNIT_DIR="$HOME/symfony-bridge/.phpunit"
+        - SYMFONY_DEPRECATIONS_HELPER="weak"
 
 branches:
-  except:
-    - /^analysis-.*$/
-    - /^patch-.*$/
+    except:
+        - /^analysis-.*$/
 
 matrix:
-  fast_finish: true
-  include:
-    - php: 5.6
-      env: COMPOSER_COMMAND="composer update --prefer-lowest --prefer-stable" COVERAGE=true TEST_COMMAND="php -dzend_extension=xdebug.so vendor/bin/phpunit --coverage-clover=coverage.xml" SYMFONY_VERSION=2.7.*
+    fast_finish: true
+    include:
+          # Minimum supported Symfony version and latest PHP version
+        - php: 7.2
+          env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" SYMFONY_DEPRECATIONS_HELPER="weak"
+        - php: 5.6
+          env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" SYMFONY_DEPRECATIONS_HELPER="weak"
 
-cache:
-  directories:
-    - $HOME/.composer/cache
+          # Test the latest stable release
+        - php: 5.6
+        - php: 7.0
+        - php: 7.1
+        - php: 7.2
+          env: COVERAGE=true TEST_COMMAND="composer test-ci"
+
+          # Test LTS versions
+        - php: 7.2
+          env: DEPENDENCIES="dunglas/symfony-lock:^2 symfony/property-access:^2.8"
+        - php: 7.2
+          env: DEPENDENCIES="dunglas/symfony-lock:^3"
+        - php: 7.2
+          env: DEPENDENCIES="dunglas/symfony-lock:^4"
+
+          # Latest commit to master
+        - php: 7.2
+          env: STABILITY="dev"
+
+    allow_failures:
+          # dev stability is allowed to fail.
+        - env: STABILITY="dev"
 
 before_install:
-  - if [[ $TRAVIS_PHP_VERSION != 'hhvm' ]]; then phpenv config-rm xdebug.ini; fi;
-  - pip install --user codecov
-  - composer require symfony/symfony:${SYMFONY_VERSION} --no-update
+    - if [[ $COVERAGE != true ]]; then phpenv config-rm xdebug.ini || true; fi
+    - if ! [ -z "$STABILITY" ]; then composer config minimum-stability ${STABILITY}; fi;
+    - if ! [ -v "$DEPENDENCIES" ]; then composer require --no-update ${DEPENDENCIES}; fi;
+    - pip install --user codecov
 
 install:
-  - travis_retry ${COMPOSER_COMMAND} --no-interaction
+    # To be removed when this issue will be resolved: https://github.com/composer/composer/issues/5355
+    - if [[ "$COMPOSER_FLAGS" == *"--prefer-lowest"* ]]; then composer update --prefer-dist --no-interaction --prefer-stable --quiet; fi
+    - composer update ${COMPOSER_FLAGS} --prefer-dist --no-interaction
+    - vendor/bin/simple-phpunit install
 
 script:
-  - $TEST_COMMAND
+    - composer validate --strict --no-check-lock
+    - $TEST_COMMAND
 
 after_success:
-  - if [[ "$COVERAGE" = true ]]; then codecov; fi
+    - if [[ $COVERAGE = true ]]; then wget https://scrutinizer-ci.com/ocular.phar; fi
+    - if [[ $COVERAGE = true ]]; then php ocular.phar code-coverage:upload --format=php-clover build/coverage.xml; fi
+    - if [[ "$COVERAGE" = true ]]; then codecov; fi
+
+after_script:
+    - wget http://tnyholm.se/reporter.phar
+    - php reporter.phar build:upload
diff --git a/composer.json b/composer.json
index 4c23021..a9ac720 100644
--- a/composer.json
+++ b/composer.json
@@ -25,19 +25,27 @@
     ],
     "require": {
         "php": "^5.6 || ^7.0",
-        "symfony/framework-bundle": "^2.7 || ^3.0",
-        "symfony/var-dumper": "^3.3",
-        "cache/taggable-cache": "^1.0",
         "cache/session-handler": "^1.0",
-        "nyholm/nsa": "^1.1"
+        "cache/taggable-cache": "^1.0",
+        "nyholm/nsa": "^1.1",
+        "symfony/config": "^2.7 || ^3.0 || ^4.0",
+        "symfony/console": "^2.7 || ^3.0 || ^4.0",
+        "symfony/dependency-injection": "^2.7 || ^3.0 || ^4.0",
+        "symfony/framework-bundle": "^2.7 || ^3.0 || ^4.0",
+        "symfony/http-foundation": "^2.7 || ^3.0 || ^4.0",
+        "symfony/http-kernel": "^2.7 || ^3.0 || ^4.0",
+        "symfony/var-dumper": "^2.7 || ^3.3 || ^4.0"
     },
     "require-dev":  {
-        "phpunit/phpunit": "^5.7.17",
-        "symfony/symfony": "^2.7 || ^3.0",
-        "cache/psr-6-doctrine-bridge": "^3.0",
         "cache/array-adapter": "^1.0",
+        "cache/psr-6-doctrine-bridge": "^3.0",
+        "doctrine/annotations": "^1.0",
+        "matthiasnoback/symfony-dependency-injection-test": "^1.1 || ^2.3",
         "nyholm/symfony-bundle-test": "^1.2",
-        "matthiasnoback/symfony-dependency-injection-test": "^1.0"
+        "symfony/phpunit-bridge": "^3.3 || ^4.0",
+        "symfony/routing": "^2.7 || ^3.0 || ^4.0",
+        "symfony/serializer": "^2.7 || ^3.0 || ^4.0",
+        "symfony/validator": "^2.7 || ^3.0 || ^4.0"
     },
     "suggest": {
         "cache/adapter-bundle": "To register PSR-6 compliant cache implementations as services.",
@@ -52,5 +60,12 @@
         "psr-4": {
             "Cache\\CacheBundle\\Tests\\": "tests/"
         }
+    },
+    "scripts": {
+        "test": "vendor/bin/simple-phpunit",
+        "test-ci": "vendor/bin/simple-phpunit --coverage-text --coverage-clover=build/coverage.xml"
+    },
+    "config": {
+        "sort-packages": true
     }
 }
diff --git a/tests/Functional/BundleInitializationTest.php b/tests/Functional/BundleInitializationTest.php
index a0a935e..5f24762 100644
--- a/tests/Functional/BundleInitializationTest.php
+++ b/tests/Functional/BundleInitializationTest.php
@@ -17,6 +17,7 @@
 use Cache\CacheBundle\Routing\CachingRouter;
 use Cache\SessionHandler\Psr6SessionHandler;
 use Nyholm\BundleTest\BaseBundleTestCase;
+use Symfony\Component\HttpKernel\Kernel;
 
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
@@ -33,6 +34,10 @@ protected function setUp()
         parent::setUp();
         $kernel = $this->createKernel();
         $kernel->addConfigFile(__DIR__.'/config.yml');
+
+        if (Kernel::MAJOR_VERSION < 4) {
+            $kernel->addConfigFile(__DIR__.'/sf2_and_3.yml');
+        }
     }
 
     public function testInitBundle()
@@ -41,10 +46,13 @@ public function testInitBundle()
         $container = $this->getContainer();
 
         $this->assertTrue($container->hasParameter('cache.provider_service_ids'));
-        $this->assertInstanceOf(DoctrineCacheBridge::class, $container->get('cache.service.annotation'));
-        $this->assertInstanceOf(DoctrineCacheBridge::class, $container->get('cache.service.serializer'));
-        $this->assertInstanceOf(SymfonyValidatorBridge::class, $container->get('cache.service.validation'));
-        $this->assertInstanceOf(Psr6SessionHandler::class, $container->get('cache.service.session'));
-        $this->assertInstanceOf(CachingRouter::class, $container->get('cache.service.router'));
+
+        if (Kernel::MAJOR_VERSION < 4) {
+            $this->assertInstanceOf(DoctrineCacheBridge::class, $container->get('cache.service.annotation'));
+            $this->assertInstanceOf(DoctrineCacheBridge::class, $container->get('cache.service.serializer'));
+            $this->assertInstanceOf(SymfonyValidatorBridge::class, $container->get('cache.service.validation'));
+            $this->assertInstanceOf(Psr6SessionHandler::class, $container->get('cache.service.session'));
+            $this->assertInstanceOf(CachingRouter::class, $container->get('cache.service.router'));
+        }
     }
 }
diff --git a/tests/Functional/DummyNormalizer.php b/tests/Functional/DummyNormalizer.php
new file mode 100644
index 0000000..eba0227
--- /dev/null
+++ b/tests/Functional/DummyNormalizer.php
@@ -0,0 +1,27 @@
+<?php
+
+/*
+ * This file is part of php-cache\cache-bundle package.
+ *
+ * (c) 2015 Aaron Scherer <aequasi@gmail.com>, Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Cache\CacheBundle\Tests\Functional;
+
+use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
+
+class DummyNormalizer implements NormalizerInterface
+{
+    public function normalize($object, $format = null, array $context = [])
+    {
+        return [];
+    }
+
+    public function supportsNormalization($data, $format = null)
+    {
+        return false;
+    }
+}
diff --git a/tests/Functional/config.yml b/tests/Functional/config.yml
index 75d87b9..bf02c4c 100644
--- a/tests/Functional/config.yml
+++ b/tests/Functional/config.yml
@@ -2,6 +2,11 @@ services:
   array_cache:
     class: Cache\Adapter\PHPArray\ArrayCachePool
 
+  dummy_normalizer:
+    class: Cache\CacheBundle\Tests\Functional\DummyNormalizer
+    tags:
+      - { name: serializer.normalizer }
+
 cache:
   session:
     enabled: true
@@ -29,10 +34,3 @@ cache:
     service_id: 'array_cache'
     use_tagging: true
 
-framework:
-  annotations:
-    cache: 'cache.service.annotation'
-  serializer:
-    cache: 'cache.service.serializer'
-  validation:
-    cache: 'cache.service.validation'
diff --git a/tests/Functional/sf2_and_3.yml b/tests/Functional/sf2_and_3.yml
new file mode 100644
index 0000000..df18346
--- /dev/null
+++ b/tests/Functional/sf2_and_3.yml
@@ -0,0 +1,7 @@
+framework:
+  annotations:
+    cache: 'cache.service.annotation'
+  serializer:
+    cache: 'cache.service.serializer'
+  validation:
+    cache: 'cache.service.validation'