diff -r 5844cd8e81ca -r 37bc3edef76f rust/rhg/src/commands/root.rs
--- a/rust/rhg/src/commands/root.rs	Mon Nov 14 17:18:56 2022 +0100
+++ b/rust/rhg/src/commands/root.rs	Tue Nov 15 00:02:43 2022 +0100
@@ -9,8 +9,8 @@
 Returns 0 on success.
 ";
 
-pub fn args() -> clap::App<'static, 'static> {
-    clap::SubCommand::with_name("root").about(HELP_TEXT)
+pub fn args() -> clap::Command {
+    clap::command!("root").about(HELP_TEXT)
 }
 
 pub fn run(invocation: &crate::CliInvocation) -> Result<(), CommandError> {