diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 63450bc0b..e315d829d 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -1,10 +1,12 @@
 Before implementing any code changes or responding to a request, run the
-following command:
+following three commands:
 
+sudo apt-get install -y libgl1-mesa-dev libxi-dev libxrandr-dev libxinerama-dev ca-certificates libxcursor-dev libxcb-xkb-dev libdbus-1-dev libxkbcommon-dev libharfbuzz-dev libx11-xcb-dev zsh libpng-dev liblcms2-dev libfontconfig-dev libxkbcommon-x11-dev libcanberra-dev libxxhash-dev uuid-dev libsimde-dev libsystemd-dev libcairo2-dev zsh bash dash systemd-coredump gdb
+sudo chmod -R og-w /usr/share/zsh
 ./dev.sh build
 
-This will create all generated files and build the project, make it ready for
-inspection.
+This will download needed dependencies, then create all generated files
+and build the project, making it ready for inspection.
 
 # Repository Build & Test Instructions