diff --git a/src/Knowledge/Retrieval/NdjsonHybridRetriever.php b/src/Knowledge/Retrieval/NdjsonHybridRetriever.php
index 5a8aed5..2c0c802 100644
--- a/src/Knowledge/Retrieval/NdjsonHybridRetriever.php
+++ b/src/Knowledge/Retrieval/NdjsonHybridRetriever.php
@@ -24,11 +24,11 @@ final class NdjsonHybridRetriever implements RetrieverInterface
     private const LIST_BONUS = 1.25;
 
     private const MAX_CHUNKS_PER_DOC = 2;
-    private const MIN_CHUNK_DISTANCE = 2;
+    private const MIN_CHUNK_DISTANCE = 2.5;
     private const RRF_K = 60;
 
-    private const THRESHOLD_FLOOR = 0.65;
-    private const THRESHOLD_CEIL = 0.90;
+    private const THRESHOLD_FLOOR = 0.82;
+    private const THRESHOLD_CEIL = 0.92;
     private const EMPTY_RRF_FALLBACK_TOPN = 5;
 
     public function __construct(