diff --git a/jsonapi.services.yml b/jsonapi.services.yml
index bc3669e..ce9c2bd 100644
--- a/jsonapi.services.yml
+++ b/jsonapi.services.yml
@@ -173,6 +173,11 @@ services:
       - [setSchemaFactory, ['@?schemata.schema_factory']] # This is only injected when the service is available.
     tags:
       - { name: event_subscriber, priority: 1000 }
+  jsonapi.field_storage_definition.subscriber:
+    class: Drupal\jsonapi\EventSubscriber\FieldStorageDefinitionEventSubscriber
+    arguments: ['@cache_tags.invalidator', '@router.builder']
+    tags:
+      - { name: event_subscriber }
 
   # Deprecated services.
   serializer.normalizer.htt_exception.jsonapi:
diff --git a/src/EventSubscriber/FieldStorageDefinitionEventSubscriber.php b/src/EventSubscriber/FieldStorageDefinitionEventSubscriber.php
new file mode 100644
index 0000000..8483181
--- /dev/null
+++ b/src/EventSubscriber/FieldStorageDefinitionEventSubscriber.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Drupal\jsonapi\EventSubscriber;
+
+use Drupal\Core\Cache\CacheTagsInvalidatorInterface;
+use Drupal\Core\Field\FieldStorageDefinitionEvent;
+use Drupal\Core\Field\FieldStorageDefinitionEventSubscriberTrait;
+use Drupal\Core\Routing\RouteBuilderInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Class FieldDefinitionEventSubscriber
+ *
+ * @internal
+ */
+class FieldStorageDefinitionEventSubscriber implements EventSubscriberInterface {
+
+  use FieldStorageDefinitionEventSubscriberTrait;
+
+  /**
+   * The cache tag invalidator.
+   *
+   * @var \Drupal\Core\Cache\CacheTagsInvalidatorInterface
+   */
+  protected $cacheTagsInvalidator;
+
+  /**
+   * The route builder.
+   *
+   * @var \Drupal\Core\Routing\RouteBuilderInterface
+   */
+  protected $routeBuilder;
+
+  /**
+   * FieldDefinitionEventSubscriber constructor.
+   *
+   * @param \Drupal\Core\Cache\CacheTagsInvalidatorInterface $cache_tags_invalidator
+   *   A cache tags invalidator service.
+   * @param \Drupal\Core\Routing\RouteBuilderInterface $route_builder
+   *   A route builder service.
+   */
+  public function __construct(CacheTagsInvalidatorInterface $cache_tags_invalidator, RouteBuilderInterface $route_builder) {
+    $this->cacheTagsInvalidator = $cache_tags_invalidator;
+    $this->routeBuilder = $route_builder;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    return static::getFieldStorageDefinitionEvents();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function onFieldStorageDefinitionEvent(FieldStorageDefinitionEvent $event) {
+    // @todo: only do this when relationship fields are updated, not just any field.
+    $this->cacheTagsInvalidator->invalidateTags(['jsonapi_resource_types']);
+    $this->routeBuilder->setRebuildNeeded();
+  }
+
+}