diff --git a/cpp/cmake/ThirdPartyPackages.cmake b/cpp/cmake/ThirdPartyPackages.cmake
index 35dc12e600a5acb793f468c2906c5168f772d91d..f0b353e7b2d7bde7a5c4753e654fa45818285884 100644
--- a/cpp/cmake/ThirdPartyPackages.cmake
+++ b/cpp/cmake/ThirdPartyPackages.cmake
@@ -309,7 +309,8 @@ else()
     # set(FAISS_SOURCE_URL "https://github.com/facebookresearch/faiss/archive/${FAISS_VERSION}.tar.gz")
 endif()
 
-#set(FAISS_MD5 "a589663865a8558205533c8ac414278c")
+# set(FAISS_MD5 "a589663865a8558205533c8ac414278c")
+set(FAISS_MD5 "31167ecbd1903fec600dc4ac00b9be9e")
 
 if(DEFINED ENV{MILVUS_KNOWHERE_URL})
     set(KNOWHERE_SOURCE_URL "$ENV{MILVUS_KNOWHERE_URL}")
diff --git a/cpp/src/core/cmake/ThirdPartyPackages.cmake b/cpp/src/core/cmake/ThirdPartyPackages.cmake
index f944feed9a2d92d29774cd06e295755dcfd587b4..945f50fb73d080e836b35f13584fc1726dc5b7ed 100644
--- a/cpp/src/core/cmake/ThirdPartyPackages.cmake
+++ b/cpp/src/core/cmake/ThirdPartyPackages.cmake
@@ -261,7 +261,7 @@ else()
     message(STATUS ${FAISS_SOURCE_URL})
 endif()
 # set(FAISS_MD5 "a589663865a8558205533c8ac414278c")
-#set(FAISS_MD5 "31167ecbd1903fec600dc4ac00b9be9e")
+set(FAISS_MD5 "31167ecbd1903fec600dc4ac00b9be9e")
 
 if(DEFINED ENV{KNOWHERE_ARROW_URL})
     set(ARROW_SOURCE_URL "$ENV{KNOWHERE_ARROW_URL}")