diff --git a/core/modules/page_cache/src/Tests/PageCacheTagsIntegrationTest.php b/core/modules/page_cache/src/Tests/PageCacheTagsIntegrationTest.php
index 22ae7b2..ab1c8f2 100644
--- a/core/modules/page_cache/src/Tests/PageCacheTagsIntegrationTest.php
+++ b/core/modules/page_cache/src/Tests/PageCacheTagsIntegrationTest.php
@@ -105,6 +105,7 @@ function testPageCacheTags() {
       'user:0',
       'user:' . $author_1->id(),
       'config:filter.format.basic_html',
+      'config:color.theme.bartik',
       'config:search.settings',
       'config:system.menu.account',
       'config:system.menu.tools',
@@ -142,6 +143,7 @@ function testPageCacheTags() {
       'node_view',
       'node:' . $node_2->id(),
       'user:' . $author_2->id(),
+      'config:color.theme.bartik',
       'config:filter.format.full_html',
       'config:search.settings',
       'config:system.menu.account',