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/FileTextCacheDatabaseTest.php b/tests/FileTextCacheDatabaseTest.php
index e7fb242..9b6d1a0 100644
--- a/tests/FileTextCacheDatabaseTest.php
+++ b/tests/FileTextCacheDatabaseTest.php
@@ -14,7 +14,7 @@ public function testTruncatesByMaxLength()
         Config::modify()->set(Database::class, 'max_content_length', 5);
 
         $cache = new Database();
-        $file = $this->getMockBuilder(File::class)->setMethods(['write'])->getMock();
+        $file = $this->getMockBuilder(File::class)->onlyMethods(['write'])->getMock();
         $content = '0123456789';
         $cache->save($file, $content);
 
diff --git a/tests/TikaServerTextExtractorTest.php b/tests/TikaServerTextExtractorTest.php
index b47dfb0..a443681 100644
--- a/tests/TikaServerTextExtractorTest.php
+++ b/tests/TikaServerTextExtractorTest.php
@@ -7,6 +7,7 @@
 use SilverStripe\Dev\SapphireTest;
 use SilverStripe\TextExtraction\Extractor\TikaServerTextExtractor;
 use SilverStripe\TextExtraction\Rest\TikaRestClient;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 /**
  * @group tika-tests
@@ -39,13 +40,13 @@ public function testServerExtraction()
     /**
      * @param string $version
      * @param bool $expected
-     * @dataProvider isAvailableProvider
      */
+    #[DataProvider('isAvailableProvider')]
     public function testIsAvailable($version, $expected)
     {
         /** @var MockObject|TikaServerTextExtractor $extractor */
         $extractor = $this->getMockBuilder(TikaServerTextExtractor::class)
-            ->setMethods(['getClient', 'getServerEndpoint'])
+            ->onlyMethods(['getClient', 'getServerEndpoint'])
             ->getMock();
 
         $client = $this->createMock(TikaRestClient::class);
@@ -62,7 +63,7 @@ public function testIsAvailable($version, $expected)
     /**
      * @return array[]
      */
-    public function isAvailableProvider()
+    public static function isAvailableProvider()
     {
         return [
             ['1.5.2', false],