diff --git a/src/uu/more/Cargo.toml b/src/uu/more/Cargo.toml
index 8da6382d9..fae4b7519 100644
--- a/src/uu/more/Cargo.toml
+++ b/src/uu/more/Cargo.toml
@@ -15,7 +15,7 @@ edition = "2018"
 path = "src/more.rs"
 
 [dependencies]
-clap = { version = "2.33", features = ["wrap_help"] }
+clap = { version = "3.0", features = ["wrap_help", "cargo"] }
 uucore = { version = ">=0.0.7", package = "uucore", path = "../../uucore" }
 uucore_procs = { version=">=0.0.7", package = "uucore_procs", path = "../../uucore_procs" }
 crossterm = ">=0.19"
diff --git a/src/uu/more/src/more.rs b/src/uu/more/src/more.rs
index dc5acbff8..fecf032a3 100644
--- a/src/uu/more/src/more.rs
+++ b/src/uu/more/src/more.rs
@@ -96,64 +96,64 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     Ok(())
 }
 
-pub fn uu_app() -> App<'static, 'static> {
+pub fn uu_app<'a>() -> App<'a> {
     App::new(uucore::util_name())
         .about("A file perusal filter for CRT viewing.")
         .version(crate_version!())
         .arg(
-            Arg::with_name(options::SILENT)
-                .short("d")
+            Arg::new(options::SILENT)
+                .short('d')
                 .long(options::SILENT)
                 .help("Display help instead of ringing bell"),
         )
         // The commented arguments below are unimplemented:
         /*
         .arg(
-            Arg::with_name(options::LOGICAL)
-                .short("f")
+            Arg::new(options::LOGICAL)
+                .short('f')
                 .long(options::LOGICAL)
                 .help("Count logical rather than screen lines"),
         )
         .arg(
-            Arg::with_name(options::NO_PAUSE)
-                .short("l")
+            Arg::new(options::NO_PAUSE)
+                .short('l')
                 .long(options::NO_PAUSE)
                 .help("Suppress pause after form feed"),
         )
         .arg(
-            Arg::with_name(options::PRINT_OVER)
-                .short("c")
+            Arg::new(options::PRINT_OVER)
+                .short('c')
                 .long(options::PRINT_OVER)
                 .help("Do not scroll, display text and clean line ends"),
         )
         .arg(
-            Arg::with_name(options::CLEAN_PRINT)
-                .short("p")
+            Arg::new(options::CLEAN_PRINT)
+                .short('p')
                 .long(options::CLEAN_PRINT)
                 .help("Do not scroll, clean screen and display text"),
         )
         .arg(
-            Arg::with_name(options::SQUEEZE)
-                .short("s")
+            Arg::new(options::SQUEEZE)
+                .short('s')
                 .long(options::SQUEEZE)
                 .help("Squeeze multiple blank lines into one"),
         )
         .arg(
-            Arg::with_name(options::PLAIN)
-                .short("u")
+            Arg::new(options::PLAIN)
+                .short('u')
                 .long(options::PLAIN)
                 .help("Suppress underlining and bold"),
         )
         .arg(
-            Arg::with_name(options::LINES)
-                .short("n")
+            Arg::new(options::LINES)
+                .short('n')
                 .long(options::LINES)
                 .value_name("number")
                 .takes_value(true)
                 .help("The number of lines per screen full"),
         )
         .arg(
-            Arg::with_name(options::NUMBER)
+            Arg::new(options::NUMBER)
                 .allow_hyphen_values(true)
                 .long(options::NUMBER)
                 .required(false)
@@ -161,8 +161,8 @@ pub fn uu_app() -> App<'static, 'static> {
                 .help("Same as --lines"),
         )
         .arg(
-            Arg::with_name(options::FROM_LINE)
-                .short("F")
+            Arg::new(options::FROM_LINE)
+                .short('F')
                 .allow_hyphen_values(true)
                 .required(false)
                 .takes_value(true)
@@ -170,8 +170,8 @@ pub fn uu_app() -> App<'static, 'static> {
                 .help("Display file beginning from line number"),
         )
         .arg(
-            Arg::with_name(options::PATTERN)
-                .short("P")
+            Arg::new(options::PATTERN)
+                .short('P')
                 .allow_hyphen_values(true)
                 .required(false)
                 .takes_value(true)
@@ -179,9 +179,9 @@ pub fn uu_app() -> App<'static, 'static> {
         )
         */
         .arg(
-            Arg::with_name(options::FILES)
+            Arg::new(options::FILES)
                 .required(false)
-                .multiple(true)
+                .multiple_occurrences(true)
                 .help("Path to the files to be read"),
         )
 }