diff --git a/zenu-cuda-driver-sys/Cargo.toml b/zenu-cuda-driver-sys/Cargo.toml
index 5288ca6f..d70bd482 100644
--- a/zenu-cuda-driver-sys/Cargo.toml
+++ b/zenu-cuda-driver-sys/Cargo.toml
@@ -3,6 +3,7 @@ name = "zenu-cuda-driver-sys"
 version = "0.1.0"
 edition = "2021"
 repository = "https://github.com/bokutotu/zenu"
+license = "MIT"
 description = "Rust bindings for CUDA Driver API"
 
 [dependencies]