diff --git a/packages/leann-backend-diskann/third_party/DiskANN b/packages/leann-backend-diskann/third_party/DiskANN
index dbb17eb..19f9603 160000
--- a/packages/leann-backend-diskann/third_party/DiskANN
+++ b/packages/leann-backend-diskann/third_party/DiskANN
@@ -1 +1 @@
-Subproject commit dbb17eb632e65ee94d36df1d8327f11f74fa7ff1
+Subproject commit 19f9603c728f51ff4a37df78805a3bb183e9870d