diff --git a/Cargo.toml b/Cargo.toml
index 720f98f..98e2f2a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "flavors"
 version = "0.2.0"
 authors = ["Geoffroy Couprie <geo.couprie@gmail.com>"]
 license = "MIT"
-edition = "2018"
+edition = "2021"
 include = ["src/**/*", "LICENSE", "README.md"]
 
 [dependencies]