diff --git a/bundle/Controller/ContentRelations.php b/bundle/Controller/ContentRelations.php
index 6fd8948..fce0d7c 100644
--- a/bundle/Controller/ContentRelations.php
+++ b/bundle/Controller/ContentRelations.php
@@ -5,6 +5,7 @@
 namespace Netgen\Bundle\OpenApiIbexaBundle\Controller;
 
 use Ibexa\Contracts\Core\SiteAccess\ConfigResolverInterface;
+use Ibexa\Contracts\HttpCache\ResponseTagger\ResponseTagger;
 use Netgen\IbexaSiteApi\API\Values\Content;
 use Netgen\OpenApiIbexa\Page\ContentList;
 use Netgen\OpenApiIbexa\Page\Output\OutputVisitor;
@@ -22,6 +23,7 @@ final class ContentRelations extends Controller
 {
     public function __construct(
         private ConfigResolverInterface $configResolver,
+        private ResponseTagger $responseTagger,
         private OutputVisitor $outputVisitor,
         private int $defaultLimit,
     ) {}
@@ -52,6 +54,12 @@ public function __invoke(Request $request, Content $content, string $fieldIdenti
 
         $this->configureCache($this->configResolver, $response);
 
+        foreach ($content->getLocations() as $location) {
+            $this->responseTagger->tag($location->innerLocation);
+        }
+
+        $this->responseTagger->tag($content->contentInfo->innerContentInfo);
+
         return $response;
     }
 }
diff --git a/bundle/Resources/config/services/controllers.yaml b/bundle/Resources/config/services/controllers.yaml
index d6924f8..a46b039 100644
--- a/bundle/Resources/config/services/controllers.yaml
+++ b/bundle/Resources/config/services/controllers.yaml
@@ -69,6 +69,7 @@ services:
         parent: netgen.openapi_ibexa.controller.base
         arguments:
             - '@ibexa.config.resolver'
+            - '@Ibexa\Contracts\HttpCache\ResponseTagger\ResponseTagger'
             - '@netgen.openapi_ibexa.page.output.visitor.output_visitor'
             - '%netgen.openapi_ibexa.default_limit%'
         public: true