diff --git a/packages/leann-backend-diskann/third_party/DiskANN b/packages/leann-backend-diskann/third_party/DiskANN
index 67a2611..af2a264 160000
--- a/packages/leann-backend-diskann/third_party/DiskANN
+++ b/packages/leann-backend-diskann/third_party/DiskANN
@@ -1 +1 @@
-Subproject commit 67a2611ad14bc11d84dfdb554c5567cfb78a2656
+Subproject commit af2a26481e65232b57b82d96e68833cdee9f7635