diff --git a/Cargo.lock b/Cargo.lock
index 6a1322c..3233530 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -54,6 +54,54 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f58811cfac344940f1a400b6e6231ce35171f614f26439e80f8c1465c5cc0c"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b84bf0a05bbb2a83e5eb6fa36bb6e87baa08193c35ff52bbf6b38d8af2890e46"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58f54d10c6dfa51283a066ceab3ec1ab78d13fae00aa49243a45e4571fb79dfd"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.72"
@@ -195,7 +243,7 @@ checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
 dependencies = [
  "atty",
  "bitflags 1.3.2",
- "clap_lex",
+ "clap_lex 0.2.4",
  "indexmap 1.9.3",
  "once_cell",
  "strsim",
@@ -203,13 +251,34 @@ dependencies = [
  "textwrap",
 ]
 
+[[package]]
+name = "clap"
+version = "4.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84ed82781cea27b43c9b106a979fe450a13a31aab0500595fb3fc06616de08e6"
+dependencies = [
+ "clap_builder",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bb9faaa7c2ef94b2743a21f5a29e6f0010dff4caa69ac8e9d6cf8b6fa74da08"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex 0.5.1",
+ "strsim",
+]
+
 [[package]]
 name = "clap_complete"
 version = "3.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f7a2e0a962c45ce25afce14220bc24f9dade0a1787f185cecf96bfba7847cd8"
 dependencies = [
- "clap",
+ "clap 3.2.25",
 ]
 
 [[package]]
@@ -221,6 +290,18 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "clap_lex"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.4"
@@ -845,7 +926,7 @@ dependencies = [
  "ammonia",
  "anyhow",
  "chrono",
- "clap",
+ "clap 3.2.25",
  "clap_complete",
  "elasticlunr-rs",
  "env_logger 0.9.3",
@@ -873,7 +954,7 @@ dependencies = [
 name = "mdbook-catppuccin"
 version = "1.0.0"
 dependencies = [
- "clap",
+ "clap 4.4.3",
  "env_logger 0.10.0",
  "log",
  "mdbook",
@@ -1825,6 +1906,12 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "version-compare"
 version = "0.1.1"
diff --git a/Cargo.toml b/Cargo.toml
index 16994d5..005e699 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ name = "mdbook_catppuccin"
 path = "src/lib.rs"
 
 [dependencies]
-clap = { version = "3.2.25", features = ["cargo"] }
+clap = { version = "4.4.3", features = ["cargo"] }
 mdbook = "=0.4.22"
 env_logger = "0.10.0"
 log = "0.4.20"
diff --git a/src/bin/mdbook-catppuccin.rs b/src/bin/mdbook-catppuccin.rs
index 9aa8ce1..7a2932e 100644
--- a/src/bin/mdbook-catppuccin.rs
+++ b/src/bin/mdbook-catppuccin.rs
@@ -1,6 +1,6 @@
 use std::{io, process};
 
-use clap::{crate_version, Arg, ArgMatches, Command};
+use clap::{command, crate_version, Arg, ArgMatches, Command};
 use mdbook::errors::Error;
 use mdbook::preprocess::{CmdPreprocessor, Preprocessor};
 use semver::{Version, VersionReq};
@@ -23,8 +23,9 @@ fn main() {
     }
 }
 
-pub fn make_app() -> Command<'static> {
-    Command::new("mdbook-catppuccin")
+pub fn make_app() -> Command {
+    command!()
+        .name("mdbook-catppuccin")
         .about("A mdbook preprocessor that implements catppuccin flavours as default themes")
         .version(crate_version!())
         .subcommand(
@@ -66,10 +67,11 @@ fn handle_preprocessing(pre: &Catppuccin) -> Result<(), Error> {
 }
 
 fn handle_supports(pre: &Catppuccin, sub_args: &ArgMatches) -> ! {
-    let renderer = sub_args.value_of("renderer").expect("Required argument");
-    let supported = pre.supports_renderer(renderer);
+    let renderer = sub_args
+        .get_one::<&str>("renderer")
+        .expect("Required argument");
 
-    if supported {
+    if pre.supports_renderer(renderer) {
         process::exit(0);
     } else {
         process::exit(1);