diff --git a/src/Plugin/Diff/EntityReferenceRevisionsFieldDiffBuilder.php b/src/Plugin/diff/Field/EntityReferenceRevisionsFieldDiffBuilder.php
similarity index 93%
rename from src/Plugin/Diff/EntityReferenceRevisionsFieldDiffBuilder.php
rename to src/Plugin/diff/Field/EntityReferenceRevisionsFieldDiffBuilder.php
index 37136d3..0df0507 100644
--- a/src/Plugin/Diff/EntityReferenceRevisionsFieldDiffBuilder.php
+++ b/src/Plugin/diff/Field/EntityReferenceRevisionsFieldDiffBuilder.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Drupal\entity_reference_revisions\Plugin\Diff;
+namespace Drupal\entity_reference_revisions\Plugin\diff\Field;
 
 use Drupal\diff\FieldDiffBuilderBase;
 use Drupal\Core\Field\FieldItemListInterface;