diff --git a/core/lib/Drupal/Core/TypedData/TypedDataManager.php b/core/lib/Drupal/Core/TypedData/TypedDataManager.php
index 9206d23..9f353dc 100644
--- a/core/lib/Drupal/Core/TypedData/TypedDataManager.php
+++ b/core/lib/Drupal/Core/TypedData/TypedDataManager.php
@@ -316,7 +316,7 @@ public function getValidator() {
       $this->validator = Validation::createValidatorBuilder()
         ->setMetadataFactory(new MetadataFactory())
         ->setTranslator(new DrupalTranslator())
-        ->setApiVersion(Validation::API_VERSION_2_4)
+        ->setApiVersion(Validation::API_VERSION_2_5_BC)
         ->getValidator();
     }
     return $this->validator;