diff --git a/internal/core/thirdparty/knowhere/CMakeLists.txt b/internal/core/thirdparty/knowhere/CMakeLists.txt
index f7d697b046..6f33ef75a2 100644
--- a/internal/core/thirdparty/knowhere/CMakeLists.txt
+++ b/internal/core/thirdparty/knowhere/CMakeLists.txt
@@ -14,7 +14,7 @@
 # Update KNOWHERE_VERSION for the first occurrence
 milvus_add_pkg_config("knowhere")
 set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES "")
-set( KNOWHERE_VERSION 9a6a8dfb )
+set( KNOWHERE_VERSION f256dd5 )
 set( GIT_REPOSITORY  "https://github.com/zilliztech/knowhere.git")
 message(STATUS "Knowhere repo: ${GIT_REPOSITORY}")
 message(STATUS "Knowhere version: ${KNOWHERE_VERSION}")
diff --git a/internal/core/unittest/test_indexing.cpp b/internal/core/unittest/test_indexing.cpp
index bd3678f6f5..35656a5d6d 100644
--- a/internal/core/unittest/test_indexing.cpp
+++ b/internal/core/unittest/test_indexing.cpp
@@ -731,6 +731,10 @@ TEST_P(IndexTest, GetVector_EmptySparseVector) {
     vec_index->Load(milvus::tracer::TraceContext{}, load_conf);
     EXPECT_EQ(vec_index->Count(), NB);
 
+    if (!vec_index->HasRawData()) {
+        return;
+    }
+
     auto ids_ds = GenRandomIds(NB);
     auto sparse_rows = vec_index->GetSparseVector(ids_ds);
     for (size_t i = 0; i < NB; ++i) {