diff --git a/Tests/IntegrationTest.php b/Tests/IntegrationTest.php
index dac4b43..ce12792 100644
--- a/Tests/IntegrationTest.php
+++ b/Tests/IntegrationTest.php
@@ -15,12 +15,13 @@
 use Cache\Hierarchy\HierarchicalPoolInterface;
 use Cache\Namespaced\NamespacedCachePool;
 use Memcached;
+use PHPUnit\Framework\TestCase;
 use Psr\Cache\CacheItemPoolInterface;
 
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class IntegrationTest extends \PHPUnit_Framework_TestCase
+class IntegrationTest extends TestCase
 {
     /**
      * @type CacheItemPoolInterface|HierarchicalPoolInterface
diff --git a/Tests/NamespacedCachePoolTest.php b/Tests/NamespacedCachePoolTest.php
index 2f50fc7..f4894dd 100644
--- a/Tests/NamespacedCachePoolTest.php
+++ b/Tests/NamespacedCachePoolTest.php
@@ -12,6 +12,7 @@
 namespace Cache\Namespaced\Tests;
 
 use Cache\Namespaced\NamespacedCachePool;
+use PHPUnit\Framework\TestCase;
 use Psr\Cache\CacheItemInterface;
 
 /**
@@ -19,7 +20,7 @@
  *
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class NamespacedCachePoolTest extends \PHPUnit_Framework_TestCase
+class NamespacedCachePoolTest extends TestCase
 {
     /**
      * @return \PHPUnit_Framework_MockObject_MockObject