diff --git a/Cargo.lock b/Cargo.lock
index e006877..4e486bd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -15,15 +15,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
-[[package]]
-name = "ansi_term"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -87,19 +78,36 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "2.33.3"
+version = "3.0.0-beta.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
+checksum = "4bd1061998a501ee7d4b6d449020df3266ca3124b941ec56cf2005c3779ca142"
 dependencies = [
- "ansi_term",
  "atty",
  "bitflags",
- "strsim 0.8.0",
+ "clap_derive",
+ "indexmap",
+ "lazy_static",
+ "os_str_bytes",
+ "strsim",
+ "termcolor",
  "textwrap",
  "unicode-width",
  "vec_map",
 ]
 
+[[package]]
+name = "clap_derive"
+version = "3.0.0-beta.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b5bb0d655624a0b8770d1c178fb8ffcb1f91cc722cb08f451e3dc72465421ac"
+dependencies = [
+ "heck",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "color-eyre"
 version = "0.5.11"
@@ -193,6 +201,12 @@ version = "0.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0a01e0497841a3b2db4f8afa483cce65f7e96a3498bd6c541734792aeac8fe7"
 
+[[package]]
+name = "hashbrown"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+
 [[package]]
 name = "heck"
 version = "0.3.3"
@@ -217,6 +231,16 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
 
+[[package]]
+name = "indexmap"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
 [[package]]
 name = "kernel32-sys"
 version = "0.2.2"
@@ -289,6 +313,12 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
+[[package]]
+name = "os_str_bytes"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afb2e1c3ee07430c2cf76151675e583e0f19985fa6efae47d6848a3e2c824f85"
+
 [[package]]
 name = "owo-colors"
 version = "1.3.0"
@@ -394,48 +424,18 @@ name = "similar-sort"
 version = "2.0.0"
 dependencies = [
  "bump_alloc",
+ "clap",
  "color-eyre",
  "rayon",
- "strsim 0.10.0",
- "structopt",
+ "strsim",
 ]
 
-[[package]]
-name = "strsim"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
 [[package]]
 name = "strsim"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
-[[package]]
-name = "structopt"
-version = "0.3.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69b041cdcb67226aca307e6e7be44c8806423d83e018bd662360a93dabce4d71"
-dependencies = [
- "clap",
- "lazy_static",
- "structopt-derive",
-]
-
-[[package]]
-name = "structopt-derive"
-version = "0.4.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7813934aecf5f51a54775e00068c237de98489463968231a51746bbbc03f9c10"
-dependencies = [
- "heck",
- "proc-macro-error",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "syn"
 version = "1.0.75"
@@ -448,10 +448,19 @@ dependencies = [
 ]
 
 [[package]]
-name = "textwrap"
-version = "0.11.0"
+name = "termcolor"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
+name = "textwrap"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "203008d98caf094106cfaba70acfed15e18ed3ddb7d94e49baec153a2b462789"
 dependencies = [
  "unicode-width",
 ]
@@ -576,6 +585,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
diff --git a/Cargo.toml b/Cargo.toml
index 2a3e86a..01189a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 
 [dependencies]
 bump_alloc = "0.1.0"
+clap = "=3.0.0-beta.2"
 color-eyre = "0.5.7"
 rayon = "1.5.1"
 strsim = "0.10.0"
-structopt = "0.3.22"
diff --git a/src/main.rs b/src/main.rs
index 20e103c..058c3d0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,21 +1,12 @@
-use color_eyre::eyre::{Result, WrapErr};
+use clap::{crate_authors, crate_version, App, Arg};
+use color_eyre::eyre::{ContextCompat, Result, WrapErr};
 use rayon::prelude::*;
 use std::io::{self, stdin, stdout, BufRead, BufWriter, Write};
 use strsim::levenshtein;
-use structopt::StructOpt;
 
 #[global_allocator]
 static A: bump_alloc::BumpAlloc = bump_alloc::BumpAlloc::new();
 
-// works like `sort`, but sorts according to Levenshtein distance instead of
-// alphanumerically.
-#[derive(StructOpt)]
-#[structopt(name = "similar-sort")]
-struct Opts {
-    /// sort according to distance from this string
-    target: String,
-}
-
 fn main() {
     if let Err(err) = try_main() {
         eprintln!("{:?}", err);
@@ -26,7 +17,18 @@ fn main() {
 fn try_main() -> Result<()> {
     color_eyre::install()?;
 
-    let opts = Opts::from_args();
+    let matches = App::new("similar-sort")
+        .version(crate_version!())
+        .author(crate_authors!())
+        .about(
+            "works like `sort`, but sorts according to edit distance instead of alphanumerically.",
+        )
+        .arg(Arg::new("target").about("sort according to distance from this string"))
+        .get_matches();
+
+    let target = matches
+        .value_of("target")
+        .context("could not retrieve target from args. Internal error; please report!")?;
 
     let lines: Vec<String> = stdin()
         .lock()
@@ -36,7 +38,7 @@ fn try_main() -> Result<()> {
 
     let mut distances: Vec<(usize, &String)> = lines
         .iter()
-        .map(|candidate| (levenshtein(&opts.target, candidate), candidate))
+        .map(|candidate| (levenshtein(target, candidate), candidate))
         .collect();
 
     distances.par_sort_unstable_by_key(|x| x.0);