diff --git a/docs/README.md b/docs/README.md
index 7162ad219..beb0743c2 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -87,7 +87,7 @@ tested with cargo.
 To start using `pixi` from a source build run:
 
 ```shell
-cargo install --git https://github.com/prefix-dev/pixi.git
+cargo install --locked --git https://github.com/prefix-dev/pixi.git
 ```
 
 or when you want to make changes use: