diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..ba177a8
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,39 @@
+name: Build
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        php-versions:
+          - 7.2
+          - 7.3
+          - 7.4
+          - 8.0
+          - 8.1
+          - 8.2
+    name: PHP ${{ matrix.php-versions }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          coverage: xdebug
+          php-version: ${{ matrix.php-versions }}
+
+      - name: Install dependencies
+        run: composer update --prefer-dist --no-progress --no-suggest
+
+      - name: Run tests
+        run: vendor/bin/simple-phpunit --coverage-text --coverage-clover=coverage.clover
+
+#      - name: Upload code coverage
+#        run: vendor/bin/ocular code-coverage:upload --format=php-clover coverage.clover
diff --git a/.gitignore b/.gitignore
index 47184ce..35be79b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 build
 composer.lock
 docs
-vendor
\ No newline at end of file
+vendor
+.phpunit.result.cache
diff --git a/README.md b/README.md
index 6262ce5..7231da6 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Latest Version](https://img.shields.io/github/tag/dragosprotung/php2wsdl.svg?style=flat-square)](https://github.com/dragosprotung/php2wsdl/releases)
 [![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE.md)
-[![Build Status](https://img.shields.io/travis/dragosprotung/php2wsdl/master.svg?style=flat-square)](https://travis-ci.org/dragosprotung/php2wsdl)
+[![Build Status](https://github.com/dragosprotung/php2wsdl/actions/workflows/build.yml/badge.svg)](https://github.com/dragosprotung/php2wsdl/actions/workflows/build.yml)
 [![Coverage Status](https://img.shields.io/scrutinizer/coverage/g/dragosprotung/php2wsdl.svg?style=flat-square)](https://scrutinizer-ci.com/g/dragosprotung/php2wsdl/code-structure)
 [![Quality Score](https://img.shields.io/scrutinizer/g/dragosprotung/php2wsdl.svg?style=flat-square)](https://scrutinizer-ci.com/g/dragosprotung/php2wsdl)
 [![Total Downloads](https://img.shields.io/packagist/dt/php2wsdl/php2wsdl.svg?style=flat-square)](https://packagist.org/packages/php2wsdl/php2wsdl)
@@ -21,7 +21,7 @@ $ composer require php2wsdl/php2wsdl
 
 ``` php
 $class = "Vendor\\MyClass";
-$serviceURI = "http://www.myservice.com/soap";
+$serviceURI = "https://www.myservice.com/soap";
 $wsdlGenerator = new PHP2WSDL\PHPClass2WSDL($class, $serviceURI);
 // Generate the WSDL from the class adding only the public methods that have @soap annotation.
 $wsdlGenerator->generateWSDL(true);
@@ -34,7 +34,7 @@ $wsdlXML = $wsdlGenerator->save('foo/example.wsdl');
 ## Testing
 
 ``` bash
-$ phpunit
+$ vendor/bin/simple-phpunit
 ```
 
 ## Security
diff --git a/composer.json b/composer.json
index 6cbc388..3ba1176 100644
--- a/composer.json
+++ b/composer.json
@@ -19,11 +19,11 @@
     }
   ],
   "require": {
-    "php": ">=5.6",
+    "php": ">=7.2",
     "wingu/reflection": "~1.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "~5.7",
+    "symfony/phpunit-bridge": "^6.0",
     "scrutinizer/ocular": "~1.1"
   },
   "autoload": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 2e2dd9d..480d79f 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,22 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/5.7/phpunit.xsd"
-         bootstrap="vendor/autoload.php"
-         backupGlobals="false"
-         colors="true"
-         verbose="true">
-    <testsuites>
-        <testsuite name="PHP2WSDL Test Suite">
-            <directory>tests</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist>
-            <directory suffix=".php">src/</directory>
-        </whitelist>
-    </filter>
-    <logging>
-        <log type="coverage-text"/>
-        <log type="coverage-clover" target="coverage.clover"/>
-    </logging>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" bootstrap="vendor/autoload.php" backupGlobals="false" colors="true" verbose="true">
+  <coverage>
+    <include>
+      <directory suffix=".php">src/</directory>
+    </include>
+    <report>
+      <clover outputFile="build/logs/clover.xml"/>
+      <html outputDirectory="build/coverage"/>
+      <text outputFile="build/coverage.txt"/>
+    </report>
+  </coverage>
+  <testsuites>
+    <testsuite name="PHP2WSDL Test Suite">
+      <directory>tests</directory>
+    </testsuite>
+  </testsuites>
+  <logging>
+    <junit outputFile="build/report.junit.xml"/>
+  </logging>
 </phpunit>
diff --git a/src/PHPClass2WSDL.php b/src/PHPClass2WSDL.php
index 8b2419a..b3d23ed 100644
--- a/src/PHPClass2WSDL.php
+++ b/src/PHPClass2WSDL.php
@@ -250,7 +250,7 @@ protected function addMethodToWsdl(ReflectionMethod $method, DOMElement $port, D
 
         // Add any documentation for the operation.
         $description = $method->getReflectionDocComment()->getFullDescription();
-        if (strlen($description) > 0) {
+        if (isset($description) && (strlen($description) > 0)) {
             $this->wsdl->addDocumentation($portOperation, $description);
         }
 
diff --git a/tests/PHP2WSDLTest.php b/tests/PHP2WSDLTest.php
index 9103307..adc99fe 100644
--- a/tests/PHP2WSDLTest.php
+++ b/tests/PHP2WSDLTest.php
@@ -3,8 +3,9 @@
 namespace PHP2WSDL\Test;
 
 use PHP2WSDL\PHPClass2WSDL;
+use PHPUnit\Framework\TestCase as BaseTestCase;
 
-class PHP2WSDLTest extends \PHPUnit_Framework_TestCase
+class PHP2WSDLTest extends BaseTestCase
 {
 
     public function testSimpleClassWithSoapTagAnnotations()