diff --git a/socksx/Cargo.toml b/socksx/Cargo.toml
index 1b5eff4..33a8811 100644
--- a/socksx/Cargo.toml
+++ b/socksx/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT"
 anyhow = "1"
 async-trait = "0.1"
 bytes = "1"
-clap = "3.0.0-beta.2"
+clap = "3.0.0-beta.5"
 dotenv = "0.15"
 env_logger = "0.8"
 futures = "0.3"
@@ -27,4 +27,4 @@ url = "2.2"
 
 [dev-dependencies]
 chacha20 = "0.7"
-pin-project-lite = "0.2"
\ No newline at end of file
+pin-project-lite = "0.2"
diff --git a/socksx/examples/functions.rs b/socksx/examples/functions.rs
index 99f7416..9519c5c 100644
--- a/socksx/examples/functions.rs
+++ b/socksx/examples/functions.rs
@@ -2,7 +2,7 @@ use anyhow::Result;
 use bytes::BytesMut;
 use chacha20::cipher::{NewCipher, StreamCipher};
 use chacha20::{ChaCha20, Key, Nonce};
-use clap::Clap;
+use clap::Parser;
 use dotenv::dotenv;
 use pin_project_lite::pin_project;
 use socksx::{self, Socks5Handler, Socks6Handler, SocksHandler};
@@ -15,7 +15,7 @@ use tokio::net::{TcpListener, TcpStream};
 
 type Handler = Arc<dyn SocksHandler + Sync + Send>;
 
-#[derive(Clap)]
+#[derive(Parser)]
 #[clap(version = env!("CARGO_PKG_VERSION"))]
 struct Args {
     /// Host (IP) for the SOCKS server
@@ -34,7 +34,7 @@ struct Args {
     function: Function,
 }
 
-#[derive(Clap, Clone)]
+#[derive(Parser, Clone)]
 enum Function {
     /// Apply ChaCha20 encryption/decryption to ingress traffic
     #[clap(name = "chacha20")]
diff --git a/socksx/src/main.rs b/socksx/src/main.rs
index 0dd109a..16fd7fd 100644
--- a/socksx/src/main.rs
+++ b/socksx/src/main.rs
@@ -2,7 +2,7 @@
 extern crate human_panic;
 
 use anyhow::Result;
-use clap::Clap;
+use clap::Parser;
 use dotenv::dotenv;
 use itertools::Itertools;
 use log::LevelFilter;
@@ -14,11 +14,11 @@ use tokio::time::Instant;
 
 type Handler = Arc<dyn SocksHandler + Sync + Send>;
 
-#[derive(Clap)]
+#[derive(Parser)]
 #[clap(version = env!("CARGO_PKG_VERSION"))]
 struct Args {
     /// Entry in the proxy chain, the order is preserved
-    #[clap(short, long, env = "CHAIN", multiple = true)]
+    #[clap(short, long, env = "CHAIN", multiple_occurrences = true)]
     chain: Vec<String>,
 
     /// Prints debug information