diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ca6222b..aace3d6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: ['7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
+        php-version: ['7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
 
     steps:
       - uses: actions/checkout@v3
@@ -34,7 +34,7 @@ jobs:
         run: |
           mkdir ./coverage
           php -v > ./coverage/php${{ matrix.php-version }}_output.txt && echo '' >> ./coverage/php${{ matrix.php-version }}_output.txt
-          ./vendor/bin/phpunit --configuration ./tests/phpunit-${{ matrix.php-version }}.xml --coverage-clover ./coverage/php${{ matrix.php-version }}_coverage.clover >> ./coverage/php${{ matrix.php-version }}_output.txt
+          ./vendor/bin/phpunit -c ./tests/phpunit-${{ matrix.php-version }}.xml --coverage-clover ./coverage/php${{ matrix.php-version }}_coverage.clover >> ./coverage/php${{ matrix.php-version }}_output.txt
           cat ./coverage/php${{ matrix.php-version }}_output.txt
 
       - name: Save coverage results
diff --git a/.gitignore b/.gitignore
index bbd3373..1debf85 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 .idea
 composer.lock
 vendor
-/coverage/
+/coverage/
\ No newline at end of file
diff --git a/README.md b/README.md
index ed2bf74..6ad7a77 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,8 @@
 <a href="https://github.com/rboonzaijer/php-array-to-xml/actions/workflows/tests.yml"><img src="https://shields.io/badge/style-7.4-green?label=php&style=flat-square"></a>
 <a href="https://github.com/rboonzaijer/php-array-to-xml/actions/workflows/tests.yml"><img src="https://shields.io/badge/style-8.0-green?label=php&style=flat-square"></a>
 <a href="https://github.com/rboonzaijer/php-array-to-xml/actions/workflows/tests.yml"><img src="https://shields.io/badge/style-8.1-green?label=php&style=flat-square"></a>
-  
+<a href="https://github.com/rboonzaijer/php-array-to-xml/actions/workflows/tests.yml"><img src="https://shields.io/badge/style-8.2-green?label=php&style=flat-square"></a>
+
 </p>
 
 
diff --git a/composer.json b/composer.json
index 40d9157..8f2ffc5 100644
--- a/composer.json
+++ b/composer.json
@@ -21,10 +21,10 @@
     }
   ],
   "require": {
-    "php" : "^8.0|^7.0"
+    "php": "^8.0|^7.0"
   },
   "require-dev": {
-    "phpunit/phpunit" : "^9.5|^8.5|^7.5|^6.5",
+    "phpunit/phpunit": "^10.5|^9.5|^8.5|^7.5|^6.5",
     "mockery/mockery": "^1.0"
   },
   "autoload": {
diff --git a/src/Traits/DomDocumentBuilder.php b/src/Traits/DomDocumentBuilder.php
index 30dc102..5b7de4d 100644
--- a/src/Traits/DomDocumentBuilder.php
+++ b/src/Traits/DomDocumentBuilder.php
@@ -184,11 +184,12 @@ protected function createXmlElement($name, $value = null, $cdata = false, $attri
 
             return $element;
         }
-
-        $element = $this->_doc->createElement($name, $this->normalizeValue($value));
+        $normalizedValue = $this->normalizeValue($value);
+        $element = $this->_doc->createElement($name, $normalizedValue === null ? '' : $normalizedValue);
 
         foreach ($attributes as $attribute_name => $attribute_value) {
-            $element->setAttribute($attribute_name, $this->normalizeAttributeValue($attribute_value));
+            $normalizedValue = $this->normalizeAttributeValue($attribute_value);
+            $element->setAttribute($attribute_name, $normalizedValue === null ? '' : $normalizedValue);
         }
 
         return $element;
diff --git a/tests/phpunit-8.2.xml b/tests/phpunit-8.2.xml
new file mode 100644
index 0000000..206f4e4
--- /dev/null
+++ b/tests/phpunit-8.2.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- PHPUnit 10	>= PHP 8.1 (https://phpunit.de/supported-versions.html) -->
+<phpunit
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
+        backupGlobals="false" 
+        bootstrap="./../vendor/autoload.php" 
+        colors="true" 
+        processIsolation="false" 
+        stopOnFailure="false" 
+        cacheResult="false" 
+        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd" 
+        cacheDirectory=".phpunit.cache" 
+        backupStaticProperties="false">
+  <testsuites>
+    <testsuite name="PhpArrayToXml Test Suite">
+      <directory>./../tests/</directory>
+    </testsuite>
+  </testsuites>
+  <source>
+    <include>
+      <directory>./../src</directory>
+    </include>
+    <exclude>
+      <directory>./../vendor</directory>
+      <directory>./../tests</directory>
+    </exclude>
+  </source>
+</phpunit>