diff --git a/cpp/thirdparty/knowhere b/cpp/thirdparty/knowhere
index 6a4f242ec4..98c56500b5 160000
--- a/cpp/thirdparty/knowhere
+++ b/cpp/thirdparty/knowhere
@@ -1 +1 @@
-Subproject commit 6a4f242ec40c539f1e6d9a7305282f7ff03c19d2
+Subproject commit 98c56500b5b26a3502e2fea474586267ac6625f0