--- a/rust/hg-cpython/Cargo.toml	Thu Oct 20 12:26:57 2022 +0200
+++ b/rust/hg-cpython/Cargo.toml	Mon Nov 14 15:19:27 2022 +0100
@@ -2,7 +2,7 @@
 name = "hg-cpython"
 version = "0.1.0"
 authors = ["Georges Racinet <gracinet@anybox.fr>"]
-edition = "2018"
+edition = "2021"
 
 [lib]
 name='rusthg'