diff --git a/README.md b/README.md
index 7b6e912..7f113ac 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ Let's embrace local LLM agents w/ Humanus!
 ## How to Build
 
 ```bash
+git submodule update --init --recursive
+
 cmake -B build
 cmake --build build --config Release
 ```