diff --git a/README.md b/README.md
index b49f274..513fabe 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,14 @@ A weather applet for the [COSMIC](https://github.com/pop-os/cosmic-epoch) deskto
 
 ## Building
 
-Requires a Rust toolchain. Install via [rustup](https://rustup.rs/) if needed.
+Requires a Rust toolchain and the following system dependencies:
+
+```sh
+# Debian/Ubuntu
+sudo apt-get install pkg-config libxkbcommon-dev libwayland-dev
+```
+
+Install Rust via [rustup](https://rustup.rs/) if needed, then:
 
 ```sh
 cargo build --release