diff --git a/internal/core/thirdparty/knowhere/CMakeLists.txt b/internal/core/thirdparty/knowhere/CMakeLists.txt
index 2cf668d337..6195cd16e8 100644
--- a/internal/core/thirdparty/knowhere/CMakeLists.txt
+++ b/internal/core/thirdparty/knowhere/CMakeLists.txt
@@ -12,7 +12,7 @@
 #-------------------------------------------------------------------------------
 
 # Update KNOWHERE_VERSION for the first occurrence
-set( KNOWHERE_VERSION 981a204 )
+set( KNOWHERE_VERSION af6ed82 )
 set( GIT_REPOSITORY  "https://github.com/zilliztech/knowhere.git")
 if ( INDEX_ENGINE STREQUAL "cardinal" )
     set( KNOWHERE_VERSION main )