diff --git a/Cargo.toml b/Cargo.toml
index b273b85..23b0364 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "va108xx"
 version = "0.1.0"
 authors = ["Robin Mueller <robin.mueller.m@gmail.com>"]
-edition = "2018"
+edition = "2021"
 description = "PAC for the Vorago VA108xx family of microcontrollers"
 homepage = "https://github.com/robamu-org/va108xx-rs"
 repository = "https://github.com/robamu-org/va108xx-rs"