diff --git a/Tests/Normalizer/Features/ContextMetadataTestTrait.php b/Tests/Normalizer/Features/ContextMetadataTestTrait.php
index 10f5a003..78715762 100644
--- a/Tests/Normalizer/Features/ContextMetadataTestTrait.php
+++ b/Tests/Normalizer/Features/ContextMetadataTestTrait.php
@@ -77,7 +77,7 @@ public function testContextMetadataContextDenormalize(string $contextMetadataDum
         self::assertEquals('2011-07-28', $dummy->date->format('Y-m-d'), 'a specific denormalization context is used for this group');
     }
 
-    public function contextMetadataDummyProvider(): array
+    public static function contextMetadataDummyProvider(): array
     {
         return [
             [ContextMetadataDummy::class],