diff --git a/Cargo.toml b/Cargo.toml
index f42ae1c4..28c21796 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "peng_quad"
 version = "0.2.0"
 edition = "2021"
+rust-version = "1.76"
 authors = ["Yang Zhou <yangzhou.info@gmail.com>"]
 description = "Peng is a minimal quadrotor pipeline including quadrotor dynamics, IMU simulation, various trajectory planners, PID controller and depth map rendering."
 license = "MIT OR Apache-2.0"