diff --git a/internal/core/thirdparty/knowhere/CMakeLists.txt b/internal/core/thirdparty/knowhere/CMakeLists.txt
index 5909054aed..ca25d51fc7 100644
--- a/internal/core/thirdparty/knowhere/CMakeLists.txt
+++ b/internal/core/thirdparty/knowhere/CMakeLists.txt
@@ -14,7 +14,7 @@
 set( KNOWHERE_VERSION 87190cf )
 set( GIT_REPOSITORY  "https://github.com/zilliztech/knowhere.git")
 if ( INDEX_ENGINE STREQUAL "cardinal" )
-    set( KNOWHERE_VERSION main)
+    set( KNOWHERE_VERSION 87190cf )
     set( GIT_REPOSITORY  "https://github.com/zilliztech/knowhere-cloud.git")
 endif()
 message(STATUS "Knowhere repo: ${GIT_REPOSITORY}")