diff --git a/includes/Shopping/Product_Meta.php b/includes/Shopping/Product_Meta.php
index 6dc769413c5d..891c10eb1b3b 100644
--- a/includes/Shopping/Product_Meta.php
+++ b/includes/Shopping/Product_Meta.php
@@ -29,6 +29,7 @@
 namespace Google\Web_Stories\Shopping;
 
 use Google\Web_Stories\Infrastructure\HasMeta;
+use Google\Web_Stories\Infrastructure\HasRequirements;
 use Google\Web_Stories\Infrastructure\PluginUninstallAware;
 use Google\Web_Stories\Service_Base;
 use Google\Web_Stories\Story_Post_Type;
@@ -36,7 +37,7 @@
 /**
  * Class Product_Meta.
  */
-class Product_Meta extends Service_Base implements HasMeta, PluginUninstallAware {
+class Product_Meta extends Service_Base implements HasMeta, PluginUninstallAware, HasRequirements {
 	/**
 	 * The products meta key.
 	 */
diff --git a/includes/Taxonomy/Category_Taxonomy.php b/includes/Taxonomy/Category_Taxonomy.php
index fdc2554182d8..a2631067681b 100644
--- a/includes/Taxonomy/Category_Taxonomy.php
+++ b/includes/Taxonomy/Category_Taxonomy.php
@@ -28,6 +28,7 @@
 
 namespace Google\Web_Stories\Taxonomy;
 
+use Google\Web_Stories\Infrastructure\HasRequirements;
 use Google\Web_Stories\REST_API\Stories_Terms_Controller;
 use Google\Web_Stories\Story_Post_Type;
 
@@ -36,7 +37,7 @@
  *
  * @phpstan-import-type TaxonomyArgs from \Google\Web_Stories\Taxonomy\Taxonomy_Base
  */
-class Category_Taxonomy extends Taxonomy_Base {
+class Category_Taxonomy extends Taxonomy_Base implements HasRequirements {
 	/**
 	 * Constructor.
 	 *