diff --git a/Cargo.toml b/Cargo.toml
index 099c352..bdb508f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ repository = "https://github.com/hipstermojo/paperoni"
 name = "paperoni"
 version = "0.6.1-alpha1"
 authors = ["Kenneth Gitere <gitere81@gmail.com>"]
-edition = "2018"
+edition = "2021"
 license = "MIT"
 readme = "README.md"