diff --git a/ecs.php b/ecs.php
index 05d6ee7..bdb581f 100644
--- a/ecs.php
+++ b/ecs.php
@@ -16,6 +16,7 @@
 use PhpCsFixer\Fixer\ArrayNotation\TrailingCommaInMultilineArrayFixer;
 use PhpCsFixer\Fixer\ClassNotation\NoBlankLinesAfterClassOpeningFixer;
 use PhpCsFixer\Fixer\ClassNotation\SelfAccessorFixer;
+use PhpCsFixer\Fixer\PhpUnit\PhpUnitTestAnnotationFixer;
 use PhpCsFixer\Fixer\Whitespace\ArrayIndentationFixer;
 use SlevomatCodingStandard\Sniffs\Arrays\SingleLineArrayWhitespaceSniff;
 use SlevomatCodingStandard\Sniffs\Arrays\TrailingArrayCommaSniff;
@@ -63,6 +64,10 @@
     $containerConfigurator->import(SetList::DOCBLOCK);
     $containerConfigurator->import(SetList::PSR_12);
 
+    $containerConfigurator->ruleWithConfiguration(PhpUnitTestAnnotationFixer::class, [
+        'style' => 'annotation',
+    ]);
+
     $parameters->set(Option::PATHS, [
         __DIR__ . '/ecs.php',
     ]);