diff --git a/Cargo.toml b/Cargo.toml
index 150185e..eb90828 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "ouch"
 version = "0.3.1"
 authors = ["Vinícius Rodrigues Miguel <vrmiguel99@gmail.com>", "João M. Bezerra <marcospb19@hotmail.com>"]
-edition = "2018"
+edition = "2021"
 readme = "README.md"
 repository = "https://github.com/ouch-org/ouch"
 license = "MIT"