diff --git a/Cargo.toml b/Cargo.toml
index 89d0357..bceef27 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ rust-version = "1.95.0"
 
 [features]
 default = ["gui"]
-gui = ["dep:rfd", "dep:slint", "dep:slint-build"]
+gui = ["dep:rfd", "dep:slint", "dep:robius-open", "dep:slint-build"]
 
 [lib]
 crate-type = ["cdylib", "rlib"]
@@ -19,7 +19,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde-big-array = "0.5"
 sha2 = "0.11"
-robius-open = { version = "0.1", default-features = false }
+robius-open = { version = "0.1", default-features = false, optional = true }
 sdl3-sys = { version = "0.6", features = ["build-from-source-static"] }
 sdl3-ttf-sys = { version = "0.6", features = ["build-static-vendored", "no-sdlttf-harfbuzz", "no-sdlttf-plutosvg"] }
 sdl3-image-sys = { version = "0.6", features = ["build-static-vendored"] }