diff --git a/Development-Setup.md b/Development-Setup.md
index 20be0bc..d3c5930 100644
--- a/Development-Setup.md
+++ b/Development-Setup.md
@@ -39,6 +39,10 @@ git clone git@github.com:swaywm/sway.git
 cd sway
 git clone git@github.com:swaywm/wlroots.git subprojects/wlroots
 
+# optional: also build wlroots dependencies (wayland-protocols, seatd...) as subprojects
+git clone https://gitlab.freedesktop.org/wayland/wayland-protocols.git subprojects/wayland-protocols
+git clone https://git.sr.ht/~kennylevinsen/seatd subprojects/seatd
+
 # Build sway and wlroots
 meson build/
 ninja -C build/