diff --git a/tests/src/Build/CoreUpdateTest.php b/tests/src/Build/CoreUpdateTest.php
index 5a3ca412c5f1db77fb5ce9363e61954bc8bc50dc..1bff4ee7954fab056de921ee78288ef9c583c277 100644
--- a/tests/src/Build/CoreUpdateTest.php
+++ b/tests/src/Build/CoreUpdateTest.php
@@ -73,6 +73,7 @@ class CoreUpdateTest extends UpdateTestBase {
 
     $mink->getSession()->reload();
     $assert_session->pageTextContains('9.8.1');
+    $this->assertUpdateSuccessful('9.8.1');
   }
 
   /**