X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdoc%2Fbook%2Flistings%2Fch17-oop%2Flisting-17-07%2FCargo.toml;h=9b816e76614b744a4e3c7e4af0d66d94f8275df9;hb=a2a8927aec9033db588a767966deebac5c44d1a2;hp=06f89026239a02a833872a07326eb0d6d5101cc2;hpb=3c0e092ef82e17e1077c9a372b7034d9f3239eeb;p=rustc.git

diff --git a/src/doc/book/listings/ch17-oop/listing-17-07/Cargo.toml b/src/doc/book/listings/ch17-oop/listing-17-07/Cargo.toml
index 06f8902623..9b816e7661 100644
--- a/src/doc/book/listings/ch17-oop/listing-17-07/Cargo.toml
+++ b/src/doc/book/listings/ch17-oop/listing-17-07/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gui"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 [dependencies]