diff --git a/.travis.yml b/.travis.yml
index 5c1f0f7..ac02959 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ language: php
 php:
   - 7.0
   - 7.1
+  - 7.2
 
 matrix:
   include:
@@ -14,6 +15,10 @@ matrix:
       env: dependencies=lowest
     - php: 7.1
       env: dependencies=highest
+    - php: 7.2
+      env: dependencies=lowest
+    - php: 7.2
+      env: dependencies=highest
 
 before_script:
   - composer self-update -q
diff --git a/composer.json b/composer.json
index eba0d33..947c334 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         "psr/log": "~1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~5.5",
+        "phpunit/phpunit": "~6.0",
         "pimple/pimple": "~3.0"
     },
     "suggest": {
diff --git a/tests/CsrfErrorResponseMiddlewareTest.php b/tests/CsrfErrorResponseMiddlewareTest.php
index b42c0cc..a2c0a14 100644
--- a/tests/CsrfErrorResponseMiddlewareTest.php
+++ b/tests/CsrfErrorResponseMiddlewareTest.php
@@ -6,6 +6,7 @@
 use Chubbyphp\Csrf\CsrfTokenGeneratorInterface;
 use Chubbyphp\Csrf\CsrfErrorResponseMiddleware;
 use Chubbyphp\Session\SessionInterface;
+use PHPUnit\Framework\TestCase;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Log\LoggerInterface;
@@ -13,7 +14,7 @@
 /**
  * @covers \Chubbyphp\Csrf\CsrfErrorResponseMiddleware
  */
-final class CsrfErrorResponseMiddlewareTest extends \PHPUnit_Framework_TestCase
+final class CsrfErrorResponseMiddlewareTest extends TestCase
 {
     public function testInvokeWithGetRequestWithoutNext()
     {
diff --git a/tests/CsrfMiddlewareTest.php b/tests/CsrfMiddlewareTest.php
index f6d4696..6f94d4a 100644
--- a/tests/CsrfMiddlewareTest.php
+++ b/tests/CsrfMiddlewareTest.php
@@ -6,6 +6,7 @@
 use Chubbyphp\Csrf\CsrfMiddleware;
 use Chubbyphp\ErrorHandler\HttpException;
 use Chubbyphp\Session\SessionInterface;
+use PHPUnit\Framework\TestCase;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Log\LoggerInterface;
@@ -13,7 +14,7 @@
 /**
  * @covers \Chubbyphp\Csrf\CsrfMiddleware
  */
-final class CsrfMiddlewareTest extends \PHPUnit_Framework_TestCase
+final class CsrfMiddlewareTest extends TestCase
 {
     public function testInvokeWithGetRequestWithoutNext()
     {
diff --git a/tests/CsrfProviderTest.php b/tests/CsrfProviderTest.php
index 3752f77..919efad 100644
--- a/tests/CsrfProviderTest.php
+++ b/tests/CsrfProviderTest.php
@@ -8,6 +8,7 @@
 use Chubbyphp\Csrf\CsrfTokenGeneratorInterface;
 use Chubbyphp\ErrorHandler\HttpException;
 use Chubbyphp\Session\SessionInterface;
+use PHPUnit\Framework\TestCase;
 use Pimple\Container;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
@@ -15,7 +16,7 @@
 /**
  * @covers \Chubbyphp\Csrf\CsrfProvider
  */
-final class CsrfProviderTest extends \PHPUnit_Framework_TestCase
+final class CsrfProviderTest extends TestCase
 {
     public function testRegister()
     {
diff --git a/tests/CsrfTokenGeneratorTest.php b/tests/CsrfTokenGeneratorTest.php
index 0943529..282a4aa 100644
--- a/tests/CsrfTokenGeneratorTest.php
+++ b/tests/CsrfTokenGeneratorTest.php
@@ -3,11 +3,12 @@
 namespace Chubbyphp\Tests\Csrf;
 
 use Chubbyphp\Csrf\CsrfTokenGenerator;
+use PHPUnit\Framework\TestCase;
 
 /**
  * @covers \Chubbyphp\Csrf\CsrfTokenGenerator
  */
-final class CsrfTokenGeneratorTest extends \PHPUnit_Framework_TestCase
+final class CsrfTokenGeneratorTest extends TestCase
 {
     public function testGenerate()
     {