diff --git a/composer.json b/composer.json
index b08217a..97fee74 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "symfony/psr-http-message-bridge": "^2.1"
   },
   "require-dev": {
-    "phpunit/phpunit": "^10.0",
+    "phpunit/phpunit": "^10.3",
     "phpstan/phpstan": "^1.8",
     "squizlabs/php_codesniffer": "^3.7"
   },
diff --git a/phpunit.xml b/phpunit.xml
index 3357b93..46c31c8 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.0/phpunit.xsd" bootstrap="vendor/autoload.php" executionOrder="depends,defects" beStrictAboutOutputDuringTests="true" failOnRisky="true" failOnWarning="true" cacheDirectory=".phpunit.cache" requireCoverageMetadata="true" beStrictAboutCoverageMetadata="true">
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.3/phpunit.xsd" bootstrap="vendor/autoload.php" executionOrder="depends,defects" beStrictAboutOutputDuringTests="true" failOnRisky="true" failOnWarning="true" cacheDirectory=".phpunit.cache" requireCoverageMetadata="true" beStrictAboutCoverageMetadata="true">
   <testsuites>
     <testsuite name="default">
       <directory>tests</directory>
     </testsuite>
   </testsuites>
-  <coverage>
+  <coverage/>
+  <source>
     <include>
       <directory suffix=".php">src</directory>
     </include>
-  </coverage>
+  </source>
 </phpunit>