diff --git a/.phpcs.xml b/.phpcs.xml
index 3839d78..b0464c3 100644
--- a/.phpcs.xml
+++ b/.phpcs.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0"?>
 <ruleset>
-	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki" />
+	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki">
+	</rule>
 	<file>.</file>
 	<arg name="extensions" value="php,php5,inc" />
 	<arg name="encoding" value="UTF-8" />
diff --git a/composer.json b/composer.json
index f3cbcc4..3a1500c 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
 	"require-dev": {
 		"jakub-onderka/php-parallel-lint": "0.9.2",
 		"jakub-onderka/php-console-highlighter": "0.3.2",
-		"mediawiki/mediawiki-codesniffer": "15.0.0",
+		"mediawiki/mediawiki-codesniffer": "16.0.0",
 		"mediawiki/minus-x": "0.2.1"
 	},
 	"scripts": {
diff --git a/tests/phpunit/ApiQueryExtractsTest.php b/tests/phpunit/ApiQueryExtractsTest.php
index ebebfcb..8b88411 100644
--- a/tests/phpunit/ApiQueryExtractsTest.php
+++ b/tests/phpunit/ApiQueryExtractsTest.php
@@ -2,14 +2,13 @@
 namespace TextExtracts\Test;
 
 use MediaWikiCoversValidator;
-use PHPUnit_Framework_TestCase;
 use TextExtracts\ApiQueryExtracts;
 
 /**
  * @covers \TextExtracts\ApiQueryExtracts
  * @group TextExtracts
  */
-class ApiQueryExtractsTest extends PHPUnit_Framework_TestCase {
+class ApiQueryExtractsTest extends \PHPUnit\Framework\TestCase {
 	use MediaWikiCoversValidator;
 
 	private function newInstance() {