diff --git a/Cargo.toml b/Cargo.toml
index b268af9..d7938c2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "mail-deleter"
 version = "0.1.0"
 authors = ["baalajimaestro <me@baalajimaestro.me>"]
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html