diff --git a/internal/core/thirdparty/knowhere/CMakeLists.txt b/internal/core/thirdparty/knowhere/CMakeLists.txt
index 3cfafdac230129669dc0f54ddbfac048dc3b9bb2..00bf349ca3e8d639705cac67e5f012d303ec55e2 100644
--- a/internal/core/thirdparty/knowhere/CMakeLists.txt
+++ b/internal/core/thirdparty/knowhere/CMakeLists.txt
@@ -11,7 +11,7 @@
 # or implied. See the License for the specific language governing permissions and limitations under the License.
 #-------------------------------------------------------------------------------
 
-set( KNOWHERE_VERSION 4f99dc0)
+set( KNOWHERE_VERSION aa4a42f )
 
 message(STATUS "Building knowhere-${KNOWHERE_SOURCE_VER} from source")
 message(STATUS ${CMAKE_BUILD_TYPE})