diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index b5b5c5f4..c97b6d2d 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -2,7 +2,7 @@
 name = "xtask"
 version = "0.0.0"
 authors = ["The Cortex-M Team <cortex-m@teams.rust-embedded.org>"]
-edition = "2018"
+edition = "2021"
 publish = false
 
 [[test]]