diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ba177a8..628097d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,8 +8,9 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         php-versions:
           - 7.2
@@ -18,10 +19,13 @@ jobs:
           - 8.0
           - 8.1
           - 8.2
+          - 8.3
+          - 8.4
+          - 8.5
     name: PHP ${{ matrix.php-versions }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -34,6 +38,3 @@ jobs:
 
       - 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/.travis.yml b/.travis.yml
deleted file mode 100644
index bfb48db..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-language: php
-
-php:
-  - 5.6
-  - 7.0
-  - 7.1
-  - 7.2
-  - 7.3
-
-# This triggers builds to run on the new TravisCI infrastructure.
-# See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/
-sudo: false
-
-before_script:
-  - travis_retry composer self-update
-  - travis_retry composer install ${COMPOSER_FLAGS} --no-interaction
-
-script:
-  - vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
-
-after_script:
-  - if [[ $TRAVIS_PHP_VERSION == '7.3' ]]; then php vendor/bin/ocular code-coverage:upload --format=php-clover coverage.clover; fi
diff --git a/composer.json b/composer.json
index 3ba1176..d2e1a48 100644
--- a/composer.json
+++ b/composer.json
@@ -23,8 +23,7 @@
     "wingu/reflection": "~1.0"
   },
   "require-dev": {
-    "symfony/phpunit-bridge": "^6.0",
-    "scrutinizer/ocular": "~1.1"
+    "symfony/phpunit-bridge": "^6.0"
   },
   "autoload": {
     "psr-4": {
diff --git a/src/PHPClass2WSDL.php b/src/PHPClass2WSDL.php
index 8b2419a..c056da7 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 ($description !== null && strlen($description) > 0) {
             $this->wsdl->addDocumentation($portOperation, $description);
         }