diff --git a/crates/pacdef_core/src/backend/mod.rs b/crates/pacdef_core/src/backend/mod.rs
index 7e39d3d..0664d7e 100644
--- a/crates/pacdef_core/src/backend/mod.rs
+++ b/crates/pacdef_core/src/backend/mod.rs
@@ -19,4 +19,5 @@ pub enum Backends {
     Flatpak,
     Python,
     Rust,
+    Rustup,
 }