diff --git a/backend/src/test/java/org/raddatz/familienarchiv/service/PersonMentionPropagationListenerTest.java b/backend/src/test/java/org/raddatz/familienarchiv/service/PersonMentionPropagationListenerTest.java
index 8c804f67..173e95e9 100644
--- a/backend/src/test/java/org/raddatz/familienarchiv/service/PersonMentionPropagationListenerTest.java
+++ b/backend/src/test/java/org/raddatz/familienarchiv/service/PersonMentionPropagationListenerTest.java
@@ -187,8 +187,8 @@ class PersonMentionPropagationListenerTest {
         long elapsedMs = (System.nanoTime() - start) / 1_000_000;
 
         assertThat(elapsedMs)
-                .as("Propagation across 200 blocks must stay under 2s — merge-blocking regression floor")
-                .isLessThan(2000L);
+                .as("Propagation across 200 blocks must stay under 5s — merge-blocking regression floor")
+                .isLessThan(5000L);
 
         em.clear();
         TranscriptionBlock first = blockRepository.findById(blockIds.get(0)).orElseThrow();