diff --git a/composer.json b/composer.json
index f5aa654..eba5f6e 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     },
     "require-dev": {
         "squizlabs/php_codesniffer": "^3",
-        "phpunit/phpunit": "^9.6",
+        "phpunit/phpunit": "^11.3",
         "silverstripe/standards": "^1",
         "phpstan/extension-installer": "^1.3"
     },
diff --git a/tests/TikaServerTextExtractorTest.php b/tests/TikaServerTextExtractorTest.php
index b47dfb0..e56b026 100644
--- a/tests/TikaServerTextExtractorTest.php
+++ b/tests/TikaServerTextExtractorTest.php
@@ -62,7 +62,7 @@ public function testIsAvailable($version, $expected)
     /**
      * @return array[]
      */
-    public function isAvailableProvider()
+    public static function isAvailableProvider()
     {
         return [
             ['1.5.2', false],