diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 4963410..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-language: php
-
-matrix:
-  include:
-    - php: 5.3
-      dist: precise
-    - php: 5.4
-      dist: trusty
-    - php: 5.5
-      dist: trusty
-    - php: 5.6
-      dist: xenial
-    - php: 7.0
-      dist: xenial
-    - php: 7.1
-      dist: bionic
-    - php: 7.2
-      dist: bionic
-    - php: 7.3
-      dist: bionic
-    - php: 7.4
-      dist: bionic
-
-before_script: travis_retry composer install
-
-script: vendor/bin/phpunit
diff --git a/composer.json b/composer.json
index ef13956..1f61ca1 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "psr-0": {"Barryvdh": ["src/"]}
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.0,<4.5"
+        "phpunit/phpunit": "^8.5.14|^9"
     },
     "suggest": {
         "dflydev/markdown": "~1.0",
diff --git a/tests/Barryvdh/Reflection/DocBlock/DescriptionTest.php b/tests/Barryvdh/Reflection/DocBlock/DescriptionTest.php
index dbc47a5..a277595 100644
--- a/tests/Barryvdh/Reflection/DocBlock/DescriptionTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/DescriptionTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Description
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class DescriptionTest extends \PHPUnit_Framework_TestCase
+class DescriptionTest extends TestCase
 {
     public function testConstruct()
     {
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/CoversTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/CoversTagTest.php
index 59d5e87..7f33c1e 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/CoversTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/CoversTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\CoversTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class CoversTagTest extends \PHPUnit_Framework_TestCase
+class CoversTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\CoversTag can create
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/DeprecatedTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/DeprecatedTagTest.php
index aaaaf33..aae720f 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/DeprecatedTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/DeprecatedTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\DeprecatedTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class DeprecatedTagTest extends \PHPUnit_Framework_TestCase
+class DeprecatedTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\LinkTag can create
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/ExampleTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/ExampleTagTest.php
index 16024f1..c39685e 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/ExampleTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/ExampleTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\ExampleTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class ExampleTagTest extends \PHPUnit_Framework_TestCase
+class ExampleTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\SourceTag can
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/LinkTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/LinkTagTest.php
index bd76a21..ae8107b 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/LinkTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/LinkTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\LinkTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class LinkTagTest extends \PHPUnit_Framework_TestCase
+class LinkTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\LinkTag can create
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/MethodTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/MethodTagTest.php
index 5a2cb6e..32f7ea4 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/MethodTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/MethodTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\MethodTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class MethodTagTest extends \PHPUnit_Framework_TestCase
+class MethodTagTest extends TestCase
 {
     /**
      * @param string $signature       The signature to test.
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/ParamTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/ParamTagTest.php
index ce4a4e5..3fd9e61 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/ParamTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/ParamTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\ParamTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class ParamTagTest extends \PHPUnit_Framework_TestCase
+class ParamTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\ParamTag can
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/ReturnTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/ReturnTagTest.php
index 92fb58d..a86b65b 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/ReturnTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/ReturnTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\ReturnTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class ReturnTagTest extends \PHPUnit_Framework_TestCase
+class ReturnTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\ReturnTag can
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/SeeTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/SeeTagTest.php
index 22f323c..b5f3399 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/SeeTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/SeeTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\SeeTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class SeeTagTest extends \PHPUnit_Framework_TestCase
+class SeeTagTest extends TestCase
 {
     /**
      * Test that the phpDocumentor_Reflection_DocBlock_Tag_See can create a link
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/SinceTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/SinceTagTest.php
index d910328..3e7be67 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/SinceTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/SinceTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\SinceTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class SinceTagTest extends \PHPUnit_Framework_TestCase
+class SinceTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\LinkTag can create
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/SourceTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/SourceTagTest.php
index fbe6f22..401c2d4 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/SourceTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/SourceTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\SourceTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class SourceTagTest extends \PHPUnit_Framework_TestCase
+class SourceTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\SourceTag can
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/ThrowsTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/ThrowsTagTest.php
index 4ae3fa3..6888cee 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/ThrowsTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/ThrowsTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\ThrowsTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class ThrowsTagTest extends \PHPUnit_Framework_TestCase
+class ThrowsTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\ThrowsTag can
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/UsesTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/UsesTagTest.php
index ad83338..c56f177 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/UsesTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/UsesTagTest.php
@@ -12,6 +12,9 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\Test;
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\UsesTag
  *
@@ -20,7 +23,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class UsesTagTest extends \PHPUnit_Framework_TestCase
+class UsesTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\UsesTag can create
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/VarTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/VarTagTest.php
index f192482..def1f68 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/VarTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/VarTagTest.php
@@ -12,6 +12,9 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\Test;
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\VarTag
  *
@@ -20,7 +23,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class VarTagTest extends \PHPUnit_Framework_TestCase
+class VarTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\VarTag can
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/VersionTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/VersionTagTest.php
index e8c853a..ddf0f1a 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/VersionTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/VersionTagTest.php
@@ -12,6 +12,8 @@
 
 namespace Barryvdh\Reflection\DocBlock\Tag;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\VersionTag
  *
@@ -20,7 +22,7 @@ namespace Barryvdh\Reflection\DocBlock\Tag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class VersionTagTest extends \PHPUnit_Framework_TestCase
+class VersionTagTest extends TestCase
 {
     /**
      * Test that the \Barryvdh\Reflection\DocBlock\Tag\LinkTag can create
diff --git a/tests/Barryvdh/Reflection/DocBlock/TagTest.php b/tests/Barryvdh/Reflection/DocBlock/TagTest.php
index a7da285..300cc74 100644
--- a/tests/Barryvdh/Reflection/DocBlock/TagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/TagTest.php
@@ -14,6 +14,7 @@ namespace Barryvdh\Reflection\DocBlock;
 
 use Barryvdh\Reflection\DocBlock;
 use Barryvdh\Reflection\DocBlock\Context;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Tag\VarTag
@@ -23,7 +24,7 @@ use Barryvdh\Reflection\DocBlock\Context;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class TagTest extends \PHPUnit_Framework_TestCase
+class TagTest extends TestCase
 {
     
     /**
diff --git a/tests/Barryvdh/Reflection/DocBlock/Type/CollectionTest.php b/tests/Barryvdh/Reflection/DocBlock/Type/CollectionTest.php
index f4df904..9a39359 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Type/CollectionTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Type/CollectionTest.php
@@ -13,6 +13,7 @@
 namespace Barryvdh\Reflection\DocBlock\Type;
 
 use Barryvdh\Reflection\DocBlock\Context;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Type\Collection
@@ -24,7 +25,7 @@ use Barryvdh\Reflection\DocBlock\Context;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class CollectionTest extends \PHPUnit_Framework_TestCase
+class CollectionTest extends TestCase
 {
     /**
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::__construct
diff --git a/tests/Barryvdh/Reflection/DocBlockTest.php b/tests/Barryvdh/Reflection/DocBlockTest.php
index fb73f59..2ee2f35 100644
--- a/tests/Barryvdh/Reflection/DocBlockTest.php
+++ b/tests/Barryvdh/Reflection/DocBlockTest.php
@@ -15,6 +15,7 @@ namespace Barryvdh\Reflection;
 use Barryvdh\Reflection\DocBlock\Context;
 use Barryvdh\Reflection\DocBlock\Location;
 use Barryvdh\Reflection\DocBlock\Tag\ReturnTag;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Test class for Barryvdh\Reflection\DocBlock
@@ -24,7 +25,7 @@ use Barryvdh\Reflection\DocBlock\Tag\ReturnTag;
  * @license   http://www.opensource.org/licenses/mit-license.php MIT
  * @link      http://phpdoc.org
  */
-class DocBlockTest extends \PHPUnit_Framework_TestCase
+class DocBlockTest extends TestCase
 {
     /**
      * @covers \Barryvdh\Reflection\DocBlock