diff --git a/tests/Unit/Jobs/CleanupArticlesJobTest.php b/tests/Unit/Jobs/CleanupArticlesJobTest.php
index 8e58f0d..828ae0f 100644
--- a/tests/Unit/Jobs/CleanupArticlesJobTest.php
+++ b/tests/Unit/Jobs/CleanupArticlesJobTest.php
@@ -100,6 +100,8 @@ public function test_cascade_deletes_route_articles(): void
 
     public function test_preserves_article_at_exact_retention_boundary(): void
     {
+        $this->freezeTime();
+
         $boundary = Article::factory()->for(Feed::factory())->create([
             'created_at' => now()->subDays(30),
         ]);