diff --git a/cpp/src/utils/ValidationUtil.cpp b/cpp/src/utils/ValidationUtil.cpp
index 65cd81e670..78d586dad6 100644
--- a/cpp/src/utils/ValidationUtil.cpp
+++ b/cpp/src/utils/ValidationUtil.cpp
@@ -59,7 +59,7 @@ ValidateTableIndexType(int32_t index_type) {
     auto engine_type = engine::EngineType(index_type);
     switch (engine_type) {
         case engine::EngineType::FAISS_IDMAP:
-        case engine::EngineType::FAISS_IVFFLAT: {
+        case engine::EngineType::FAISS_IVFFLAT_GPU: {
             SERVER_LOG_DEBUG << "Index type: " << index_type;
             return SERVER_SUCCESS;
         }
diff --git a/cpp/thirdparty/knowhere b/cpp/thirdparty/knowhere
index 3a30677b8a..3a052d063f 160000
--- a/cpp/thirdparty/knowhere
+++ b/cpp/thirdparty/knowhere
@@ -1 +1 @@
-Subproject commit 3a30677b8ab105955534922d1677e8fa99ef0406
+Subproject commit 3a052d063ff9b360529a4a120f9703f00c603437