diff --git a/src/uu/whoami/Cargo.toml b/src/uu/whoami/Cargo.toml
index 511439030..8f2266ff2 100644
--- a/src/uu/whoami/Cargo.toml
+++ b/src/uu/whoami/Cargo.toml
@@ -15,7 +15,7 @@ edition = "2021"
 path = "src/whoami.rs"
 
 [dependencies]
-clap = { version = "3.2", features = ["wrap_help", "cargo"] }
+clap = { version = "4.0", features = ["wrap_help", "cargo"] }
 uucore = { version=">=0.0.16", package="uucore", path="../../uucore", features=["entries"] }
 
 [target.'cfg(target_os = "windows")'.dependencies]
diff --git a/src/uu/whoami/src/whoami.rs b/src/uu/whoami/src/whoami.rs
index 4b67a3643..fb41960b0 100644
--- a/src/uu/whoami/src/whoami.rs
+++ b/src/uu/whoami/src/whoami.rs
@@ -27,7 +27,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     Ok(())
 }
 
-pub fn uu_app<'a>() -> Command<'a> {
+pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(crate_version!())
         .about(ABOUT)