diff --git a/cpp/thirdparty/knowhere b/cpp/thirdparty/knowhere
index a9151773f8..81b28a753f 160000
--- a/cpp/thirdparty/knowhere
+++ b/cpp/thirdparty/knowhere
@@ -1 +1 @@
-Subproject commit a9151773f8119392a87a3052974c47ec890d101d
+Subproject commit 81b28a753fc47b46364afa7b9414e249c4b2cd75