diff --git a/src/commands.rs b/src/commands.rs
index bf0d9b7..1401b34 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -132,6 +132,12 @@ pub(crate) struct GlobalArgs {
 		long_help = "Use a proxy for HTTP requests. This is useful if you are behind a firewall and need to use a proxy to access the internet."
 	)]
 	pub http_proxy: Option<String>,
+
+	#[clap(
+		long,
+		help = "Credentials to use for proxy authentication in the format username:password."
+	)]
+	pub proxy_credentials: Option<String>,
 }
 
 #[derive(Debug, Clone, Parser)]
diff --git a/src/main.rs b/src/main.rs
index cbc624f..d7fe8ad 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -221,7 +221,11 @@ fn run(args: commands::Args) -> anyhow::Result<()> {
 
 	let mut http_client = reqwest::blocking::Client::builder();
 	if let Some(proxy) = &globalargs.http_proxy {
-		let proxy = reqwest::Proxy::all(proxy)?;
+		let mut proxy = reqwest::Proxy::all(proxy)?;
+		if let Some(proxy_creds) = &globalargs.proxy_credentials {
+			let mut creds = proxy_creds.splitn(2, ':');
+			proxy = proxy.basic_auth(creds.next().unwrap(), creds.next().unwrap());
+		}
 		http_client = http_client.proxy(proxy);
 	}
 	let http_client = http_client.build()?;