diff --git a/src/Schema/ArticleSchema.php b/src/Schema/ArticleSchema.php
index 7da2373..9715e87 100644
--- a/src/Schema/ArticleSchema.php
+++ b/src/Schema/ArticleSchema.php
@@ -85,7 +85,7 @@ public function generateInner(): string
                 '@id' => $this->url,
             ],
             'datePublished' => $this->datePublished->toIso8601String(),
-            'dateUpdated' => $this->dateModified->toIso8601String(),
+            'dateModified' => $this->dateModified->toIso8601String(),
             'headline' => $this->headline,
         ])
             ->when($this->authors, fn (Collection $collection): Collection => $collection->put('author', $this->authors))