diff --git a/Cargo.toml b/Cargo.toml
index b6348f2..3c51ce8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,4 +1,4 @@
 [package]
 name = "clrigctl"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"