diff --git a/Cargo.toml b/Cargo.toml
index 2cb948f..1ee3118 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ homepage = "https://github.com/junkurihara/rust-rpxy"
 repository = "https://github.com/junkurihara/rust-rpxy"
 license = "MIT"
 readme = "./README.md"
-edition = "2021"
+edition = "2024"
 publish = false
 
 [workspace]