diff --git a/src/exercise.rs b/src/exercise.rs
index 6e49a9aa..4be3a2cc 100644
--- a/src/exercise.rs
+++ b/src/exercise.rs
@@ -121,7 +121,7 @@ impl Exercise {
                     r#"[package]
 name = "{}"
 version = "0.0.1"
-edition = "2018"
+edition = "2021"
 [[bin]]
 name = "{}"
 path = "{}.rs""#,