diff --git a/composer.json b/composer.json
index 5518eab..e92aff3 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     },
     "require-dev": {
         "drupal/coder": "^8",
-        "drupal/migrate_plus": "5.x-dev",
+        "drupal/migrate_plus": "^6.0",
         "drupal/migrate_source_csv": "^3.4",
         "drupal/commerce_shipping": "^2.0",
         "drupal/paragraphs": "^1.0"
diff --git a/modules/ubercart/src/Plugin/migrate/destination/CommercePayment.php b/modules/ubercart/src/Plugin/migrate/destination/CommercePayment.php
index fc8f518..76eeab1 100644
--- a/modules/ubercart/src/Plugin/migrate/destination/CommercePayment.php
+++ b/modules/ubercart/src/Plugin/migrate/destination/CommercePayment.php
@@ -91,6 +91,7 @@ class CommercePayment extends EntityContentBase {
       $order_id = $row->getSourceProperty('order_id');
       $query = $this->entityTypeManager->getStorage('commerce_payment')->getQuery();
       $ids = $query
+        ->accessCheck(FALSE)
         ->condition('order_id', $order_id)
         ->sort('payment_id')
         ->execute();
diff --git a/modules/ubercart/tests/src/Functional/MigrateUpdateTest.php b/modules/ubercart/tests/src/Functional/MigrateUpdateTest.php
index 96c5ae5..571d7de 100644
--- a/modules/ubercart/tests/src/Functional/MigrateUpdateTest.php
+++ b/modules/ubercart/tests/src/Functional/MigrateUpdateTest.php
@@ -16,6 +16,16 @@ class MigrateUpdateTest extends UpdatePathTestBase {
    */
   protected $defaultTheme = 'stark';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    if (explode('.', \Drupal::VERSION)[0] != '9') {
+      $this->markTestSkipped();
+    }
+    parent::setUp();
+  }
+
   /**
    * {@inheritdoc}
    */
diff --git a/modules/ubercart/tests/src/Kernel/Migrate/uc6/NodeTest.php b/modules/ubercart/tests/src/Kernel/Migrate/uc6/NodeTest.php
index be3596b..b0f739c 100644
--- a/modules/ubercart/tests/src/Kernel/Migrate/uc6/NodeTest.php
+++ b/modules/ubercart/tests/src/Kernel/Migrate/uc6/NodeTest.php
@@ -31,8 +31,6 @@ class NodeTest extends Ubercart6TestBase {
     'migrate_plus',
     'path',
     'path_alias',
-    // Required for translation migrations.
-    'migrate_drupal_multilingual',
   ];
 
   /**
diff --git a/modules/ubercart/tests/src/Kernel/Migrate/uc6/ProductTest.php b/modules/ubercart/tests/src/Kernel/Migrate/uc6/ProductTest.php
index 4c2397f..69515d2 100644
--- a/modules/ubercart/tests/src/Kernel/Migrate/uc6/ProductTest.php
+++ b/modules/ubercart/tests/src/Kernel/Migrate/uc6/ProductTest.php
@@ -31,8 +31,6 @@ class ProductTest extends Ubercart6TestBase {
     'migrate_plus',
     'path',
     'path_alias',
-    // Required for translation migrations.
-    'migrate_drupal_multilingual',
   ];
 
   /**
diff --git a/modules/ubercart/tests/src/Kernel/Migrate/uc6/ProductVariationTest.php b/modules/ubercart/tests/src/Kernel/Migrate/uc6/ProductVariationTest.php
index f1cef37..5046c68 100644
--- a/modules/ubercart/tests/src/Kernel/Migrate/uc6/ProductVariationTest.php
+++ b/modules/ubercart/tests/src/Kernel/Migrate/uc6/ProductVariationTest.php
@@ -30,8 +30,6 @@ class ProductVariationTest extends Ubercart6TestBase {
     'migrate_plus',
     'path',
     'path_alias',
-    // Required for translation migrations.
-    'migrate_drupal_multilingual',
   ];
 
   /**
diff --git a/tests/src/Kernel/CommerceMigrateTestTrait.php b/tests/src/Kernel/CommerceMigrateTestTrait.php
index dac064d..072e308 100644
--- a/tests/src/Kernel/CommerceMigrateTestTrait.php
+++ b/tests/src/Kernel/CommerceMigrateTestTrait.php
@@ -231,7 +231,7 @@ trait CommerceMigrateTestTrait {
     $this->assertSame($order['number'], $order_instance->getOrderNumber());
     $this->assertSame($order['store_id'], $order_instance->getStoreId());
     $this->assertSame($order['created_time'], $order_instance->getCreatedTime());
-    $this->assertSame($order['changed_time'], $order_instance->getChangedTime());
+    $this->assertSame($order['changed_time'], (string) $order_instance->getChangedTime());
     $this->assertSame($order['completed_time'], $order_instance->getCompletedTime());
     $this->assertSame($order['email'], $order_instance->getEmail());
     $this->assertInstanceOf(Profile::class, $order_instance->getBillingProfile());
@@ -310,7 +310,7 @@ trait CommerceMigrateTestTrait {
     $actual = OrderItem::load($order_item['id']);
     $this->assertInstanceOf(OrderItem::class, $actual);
     $this->assertSame($order_item['created'], $actual->getCreatedTime());
-    $this->assertSame($order_item['changed'], $actual->getChangedTime());
+    $this->assertSame($order_item['changed'], (string) $actual->getChangedTime());
     $formatted_number = $this->formatNumber($order_item['quantity'], $actual->getQuantity(), '%01.2f');
     $this->assertSame($formatted_number['expected'], $formatted_number['actual']);
     $this->assertEquals($order_item['title'], $actual->getTitle());
@@ -567,7 +567,7 @@ trait CommerceMigrateTestTrait {
       $this->assertSame($product_variation['created_time'], $variation->getCreatedTime());
     }
     if ($product_variation['changed_time'] != NULL) {
-      $this->assertSame($product_variation['changed_time'], $variation->getChangedTime());
+      $this->assertSame($product_variation['changed_time'], (string) $variation->getChangedTime());
     }
 
   }
@@ -651,7 +651,7 @@ trait CommerceMigrateTestTrait {
       $this->assertSame($created_time, ($profile->getCreatedTime()));
     }
     if ($changed_time != NULL) {
-      $this->assertSame($changed_time, $profile->getChangedTime());
+      $this->assertSame($changed_time, (string) $profile->getChangedTime());
     }
   }