diff --git a/Cargo.toml b/Cargo.toml
index a0e6eb4..5389fc9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "pigeon-rs"
 version = "0.3.0"
 authors = ["quambene <contact.quambene@gmail.com>"]
 description = "Command line tool for cheap and efficient email automation"
-edition = "2018"
+edition = "2021"
 homepage = "https://github.com/quambene/pigeon-rs"
 repository = "https://github.com/quambene/pigeon-rs"
 documentation = "https://github.com/quambene/pigeon-rs"