diff --git a/core/modules/jsonapi/src/Exception/EntityAccessDeniedHttpException.php b/core/modules/jsonapi/src/Exception/EntityAccessDeniedHttpException.php
index c227709900c16c1c316365a2649120cb5913ab85..74ab245e5114002bfe3a6ae1047b360cf2e42cfa 100644
--- a/core/modules/jsonapi/src/Exception/EntityAccessDeniedHttpException.php
+++ b/core/modules/jsonapi/src/Exception/EntityAccessDeniedHttpException.php
@@ -5,6 +5,7 @@
 use Drupal\Core\Access\AccessResultInterface;
 use Drupal\Core\Access\AccessResultReasonInterface;
 use Drupal\Core\Cache\CacheableMetadata;
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Http\Exception\CacheableAccessDeniedHttpException;
 use Drupal\jsonapi\JsonApiResource\ResourceIdentifier;
@@ -22,6 +23,7 @@
  */
 class EntityAccessDeniedHttpException extends CacheableAccessDeniedHttpException implements ResourceIdentifierInterface {
 
+  use DependencySerializationTrait;
   use ResourceIdentifierTrait;
 
   /**
diff --git a/core/modules/jsonapi/src/Exception/UnprocessableHttpEntityException.php b/core/modules/jsonapi/src/Exception/UnprocessableHttpEntityException.php
index eae202c553f18e6c128b5de2c6eead5e96a37e27..b9d5a6f58389ae5bb93b39134d7956cf077c1dba 100644
--- a/core/modules/jsonapi/src/Exception/UnprocessableHttpEntityException.php
+++ b/core/modules/jsonapi/src/Exception/UnprocessableHttpEntityException.php
@@ -3,6 +3,7 @@
 namespace Drupal\jsonapi\Exception;
 
 use Drupal\Core\Entity\EntityConstraintViolationListInterface;
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
 use Symfony\Component\HttpKernel\Exception\HttpException;
 
 /**
@@ -22,6 +23,8 @@
  */
 class UnprocessableHttpEntityException extends HttpException {
 
+  use DependencySerializationTrait;
+
   /**
    * The constraint violations associated with this exception.
    *