diff --git a/BUILD.md b/BUILD.md
index 9203a43..49c64a7 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -18,7 +18,7 @@ be available. ALL UBUNTU USERS MUST BUILD THE SOURCE AS WELL (SKIP TO NEXT BULLE
 git submodule update --init deps/rocksdb
 cd deps/rocksdb
 git fetch --tags --force
-git checkout v6.6.4
+git checkout v5.17.2
 ```
 > For best performance and stability, please check for the version available on
 your system for the above `git checkout`.