diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index b233fbe..304521d 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -25,6 +25,7 @@ jobs:
           - "8.2"
           - "8.3"
           - "8.4"
+          - "8.5"
 
     steps:
       - name: "Checkout"
diff --git a/src/Readability.php b/src/Readability.php
index c4ea980..cf823f2 100644
--- a/src/Readability.php
+++ b/src/Readability.php
@@ -88,7 +88,7 @@ class Readability implements LoggerAwareInterface
         'enclose-text' => true,
         'merge-divs' => true,
         // 'merge-spans' => true,
-        'input-encoding' => '????',
+        'input-encoding' => 'utf8',
         'output-encoding' => 'utf8',
         'hide-comments' => true,
     ];
@@ -1118,7 +1118,7 @@ class Readability implements LoggerAwareInterface
 
         $topCandidates = array_filter(
             $topCandidates,
-            fn ($v, $idx) => 0 === $idx || null !== $v,
+            static fn ($v, $idx) => 0 === $idx || null !== $v,
             \ARRAY_FILTER_USE_BOTH
         );
         $topCandidate = $topCandidates[0];
@@ -1481,7 +1481,7 @@ class Readability implements LoggerAwareInterface
     private function hasSingleTagInsideElement(\DOMElement $node, string $tag): bool
     {
         $childNodes = iterator_to_array($node->childNodes);
-        $children = array_filter($childNodes, fn ($childNode) => $childNode instanceof \DOMElement);
+        $children = array_filter($childNodes, static fn ($childNode) => $childNode instanceof \DOMElement);
 
         // There should be exactly 1 element child with given tag
         if (1 !== \count($children) || $children[0]->nodeName !== $tag) {
diff --git a/tests/ReadabilityTest.php b/tests/ReadabilityTest.php
index e38b2e9..e93efb0 100644
--- a/tests/ReadabilityTest.php
+++ b/tests/ReadabilityTest.php
@@ -21,6 +21,7 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
     public function testConstructDefault(): void
     {
         $readability = $this->getReadability('');
+        $this->assertSame('utf8', $readability->tidy_config['input-encoding']);
         $readability->init();
 
         $this->assertNull($readability->url);
@@ -323,7 +324,7 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $oldErrorReporting = error_reporting(\E_ALL);
         $oldDisplayErrors = ini_set('display_errors', '1');
         // dummy function to be used to the next test
-        set_error_handler(function (int $errno, string $errstr, string $errfile, int $errline) {
+        set_error_handler(static function (int $errno, string $errstr, string $errfile, int $errline) {
             throw new \Exception($errstr, $errno);
         });