diff --git a/README.md b/README.md
index 0f62d3c..f13abcc 100644
--- a/README.md
+++ b/README.md
@@ -139,6 +139,9 @@ $ ./bootstrap.sh -d
 # Install rustup.rs
 $ curl https://sh.rustup.rs -sSf | sh
 
+# Install the sysroot manager Xargo
+$ cargo install xargo
+
 # For successive builds start here. If this is your first build, just continue
 
 # Update git submodules