diff --git a/cpp/thirdparty/knowhere b/cpp/thirdparty/knowhere
new file mode 160000
index 0000000000..02550a43b5
--- /dev/null
+++ b/cpp/thirdparty/knowhere
@@ -0,0 +1 @@
+Subproject commit 02550a43b5146bd7976b8b2b3fc37ca885d1e880