diff --git a/Cargo.lock b/Cargo.lock
index e3a5753..88c3214 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -99,12 +99,52 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f"
 
 [[package]]
-name = "ansi_term"
-version = "0.12.1"
+name = "anstream"
+version = "0.6.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+checksum = "418c75fa768af9c03be99d17643f93f79bbba589895012a80e3452a19ddda15b"
 dependencies = [
- "winapi",
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "038dfcf04a5feb68e9c60b21c9625a54c2c0616e79b72b0fd87075a056ae1d1b"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c03a11a9034d92058ceb6ee011ce58af4a9bf61491aa7e1e59ecd24bd40d22d4"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad186efb764318d35165f1758e7dcef3b10628e26d41a44bc5550652e6804391"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61a38449feb7068f52bb06c12759005cf459ee52bb4adc1d5a7c4322d716fb19"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -413,17 +453,6 @@ version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi 0.1.19",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -569,19 +598,50 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "2.34.0"
+version = "4.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
+checksum = "64acc1846d54c1fe936a78dc189c34e28d3f5afc348403f28ecf53660b9b8462"
 dependencies = [
- "ansi_term",
- "atty",
- "bitflags 1.3.2",
- "strsim",
- "textwrap",
- "unicode-width",
- "vec_map",
+ "clap_builder",
+ "clap_derive",
 ]
 
+[[package]]
+name = "clap_builder"
+version = "4.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fb8393d67ba2e7bfaf28a23458e4e2b543cc73a99595511eb207fdb8aede942"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bac35c6dafb060fd4d275d9a4ffae97917c13a6327903a8be2153cd964f7085"
+dependencies = [
+ "heck 0.5.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b82cf0babdbd58558212896d1a4272303a57bdb245c2bf1147185fb45640e70"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b6a852b24ab71dffc585bcb46eaf7959d175cb865a7152e35b348d1b2960422"
+
 [[package]]
 name = "combine"
 version = "3.8.1"
@@ -1094,15 +1154,6 @@ dependencies = [
  "allocator-api2",
 ]
 
-[[package]]
-name = "heck"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
-dependencies = [
- "unicode-segmentation",
-]
-
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -1110,13 +1161,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
 [[package]]
-name = "hermit-abi"
-version = "0.1.19"
+name = "heck"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "hermit-abi"
@@ -1264,11 +1312,17 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
 dependencies = [
- "hermit-abi 0.3.3",
+ "hermit-abi",
  "libc",
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "is_terminal_polyfill"
+version = "1.70.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8478577c03552c21db0e2724ffb8986a5ce7af88107e6be5d2ee6e158c12800"
+
 [[package]]
 name = "isahc"
 version = "0.9.14"
@@ -1683,6 +1737,7 @@ dependencies = [
  "anyhow",
  "askama",
  "async-std",
+ "clap",
  "futures-util",
  "graphql_client",
  "http-types",
@@ -1692,35 +1747,10 @@ dependencies = [
  "regex",
  "serde",
  "serde_json",
- "structopt",
  "surf",
  "tide",
 ]
 
-[[package]]
-name = "proc-macro-error"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
-dependencies = [
- "proc-macro-error-attr",
- "proc-macro2",
- "quote",
- "syn 1.0.109",
- "version_check",
-]
-
-[[package]]
-name = "proc-macro-error-attr"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
-dependencies = [
- "proc-macro2",
- "quote",
- "version_check",
-]
-
 [[package]]
 name = "proc-macro-hack"
 version = "0.5.20+deprecated"
@@ -2207,33 +2237,9 @@ checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
 
 [[package]]
 name = "strsim"
-version = "0.8.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
-[[package]]
-name = "structopt"
-version = "0.3.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c6b5c64445ba8094a6ab0c3cd2ad323e07171012d9c98b0b15651daf1787a10"
-dependencies = [
- "clap",
- "lazy_static",
- "structopt-derive",
-]
-
-[[package]]
-name = "structopt-derive"
-version = "0.4.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcb5ae327f9cc13b68763b5749770cb9e048a99bd9dfdfa58d0cf05d5f64afe0"
-dependencies = [
- "heck 0.3.3",
- "proc-macro-error",
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
 name = "subtle"
@@ -2367,15 +2373,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.50"
@@ -2563,18 +2560,6 @@ dependencies = [
  "tinyvec",
 ]
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
-
-[[package]]
-name = "unicode-width"
-version = "0.1.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
-
 [[package]]
 name = "universal-hash"
 version = "0.4.1"
@@ -2606,6 +2591,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "utf8parse"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
+
 [[package]]
 name = "value-bag"
 version = "1.4.2"
@@ -2648,12 +2639,6 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
-[[package]]
-name = "vec_map"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-
 [[package]]
 name = "version_check"
 version = "0.9.4"
diff --git a/Cargo.toml b/Cargo.toml
index abd4557..e1a5214 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,10 +20,10 @@ serde_json = "1.0"
 graphql_client = "0.13.0"
 serde = "1.0"
 askama = "0.12.1"
-structopt = "0.3.21"
 futures-util = "0.3.12"
 lettre = "0.11.7"
 anyhow = "1.0.86"
+clap = { version = "4.5.9", features = ["derive"] }
 
 [dependencies.async-std]
 version = "*" # Use whatever tide uses.
diff --git a/src/main.rs b/src/main.rs
index d489986..b275f2c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -23,13 +23,13 @@ use async_std::os::unix::net::UnixListener;
 use async_std::pin::Pin;
 use async_std::prelude::*;
 use async_std::process::exit;
+use clap::Parser;
 use futures_util::future::join_all;
 use http_types::mime;
 use once_cell::sync::Lazy;
 use regex::Regex;
 use serde::Deserialize;
 use serde_json::json;
-use structopt::StructOpt;
 use tide::{Request, Response};
 
 use github::{GitHub, PullRequestStatus};
@@ -38,28 +38,32 @@ use nixpkgs::Nixpkgs;
 use systemd::{is_socket_inet, is_socket_unix, listen_fds};
 use tree::Tree;
 
-#[derive(StructOpt, Debug)]
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
 struct Config {
-    #[structopt(long, parse(from_os_str))]
+    #[arg(long)]
     path: PathBuf,
 
-    #[structopt(long, parse(from_os_str))]
+    #[arg(long)]
     remote: PathBuf,
 
-    #[structopt(long, parse(from_os_str))]
+    #[arg(long)]
     user_agent: OsString,
 
-    #[structopt(long)]
+    #[arg(long)]
     source_url: String,
 
-    #[structopt(long, default_value = "/")]
+    #[arg(long, default_value = "/")]
     mount: String,
 
-    #[structopt(long, default_value = "data")]
+    #[arg(long, default_value = "data")]
     data_folder: String,
+
+    #[arg(long)]
+    email_white_list: Option<PathBuf>,
 }
 
-static CONFIG: Lazy<Config> = Lazy::new(Config::from_args);
+static CONFIG: Lazy<Config> = Lazy::new(Config::parse);
 
 static GITHUB_TOKEN: Lazy<OsString> = Lazy::new(|| {
     use std::env;