diff --git a/README.md b/README.md
index d8d175f..d3c16e0 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ pip install rife-ncnn-vulkan-python
 
 ### Use setuptools
 ```shell
+git submodule update --init --recursive
+python -mpip install .
 python setup.py install
 ```