diff --git a/Cargo.toml b/Cargo.toml
index 74597fce..a10edbf0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+gtk4 = "0.9.1"