diff --git a/package-lock.json b/package-lock.json
index db2fed2bd..ff735ffdb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,10 +9,10 @@
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       "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
     },
-    "wrap-ansi": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
-      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
-      "requires": {
-        "ansi-styles": "^4.0.0",
-        "string-width": "^4.1.0",
-        "strip-ansi": "^6.0.0"
-      }
-    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
       "dev": true
     },
-    "y18n": {
-      "version": "5.0.8",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
-      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA=="
-    },
     "yagl": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/yagl/-/yagl-0.5.1.tgz",
       "integrity": "sha512-DfJygWCefAq5eEOmwvVkiMFBUEQJs9aijGdhaYGSdj1TM2OqSbe/Vp37e/nMGXsgmWiryZapKMOtpYx3ECUrJQ=="
-    },
-    "yargs": {
-      "version": "17.5.1",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.5.1.tgz",
-      "integrity": "sha512-t6YAJcxDkNX7NFYiVtKvWUz8l+PaKTLiL63mJYWR2GnHq2gjEWISzsLp9wg3aY36dY1j+gfIEL3pIF+XlJJfbA==",
-      "requires": {
-        "cliui": "^7.0.2",
-        "escalade": "^3.1.1",
-        "get-caller-file": "^2.0.5",
-        "require-directory": "^2.1.1",
-        "string-width": "^4.2.3",
-        "y18n": "^5.0.5",
-        "yargs-parser": "^21.0.0"
-      }
-    },
-    "yargs-parser": {
-      "version": "21.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.0.0.tgz",
-      "integrity": "sha512-z9kApYUOCwoeZ78rfRYYWdiU/iNL6mwwYlkkZfJoyMR1xps+NEBX5X7XmRpxkZHhXJ6+Ey00IwKxBBSW9FIjyA=="
     }
   }
 }
diff --git a/package.json b/package.json
index 15e6a1a91..6874b81c7 100644
--- a/package.json
+++ b/package.json
@@ -22,10 +22,10 @@
   "author": "Sam Vervaeck",
   "license": "MIT",
   "dependencies": {
+    "commander": "^9.4.0",
     "source-map-support": "^0.5.21",
     "tslib": "^2.4.0",
-    "yagl": "^0.5.1",
-    "yargs": "^17.5.1"
+    "yagl": "^0.5.1"
   },
   "devDependencies": {
     "@types/commonmark": "^0.27.5",
diff --git a/src/bin/bolt-selftest.ts b/src/bin/bolt-selftest.ts
index c8bf5719f..6f205356c 100644
--- a/src/bin/bolt-selftest.ts
+++ b/src/bin/bolt-selftest.ts
@@ -6,12 +6,12 @@ import * as commonmark from "commonmark"
 import { sync as globSync } from "glob"
 import fs from "fs";
 import path from "path";
-import yargs from "yargs";
 import { Checker } from "../checker";
 import { TextFile } from "../cst";
 import { ConsoleDiagnostics } from "../diagnostics";
 import { parseSourceFile } from "..";
 import { Analyser } from "../analysis";
+import { Command } from "commander";
 
 const projectDir = path.resolve(__dirname, '..', '..');
 
@@ -19,8 +19,13 @@ interface Test {
   code: string;
 }
 
-yargs
-  .command('run', 'Execute the current working tree and optionally save to disk', yargs => {}, async (args) => {
+const program = new Command()
+  .name('bolt-selftest');
+
+program
+  .command('run')
+  .option('-t', '--tag', 'Tag to add to test results')
+  .action(async (args) => {
     for await (const test of loadTests()) {
       console.log('--------');
       console.log(test.code);
@@ -35,8 +40,9 @@ yargs
         checker.check(sourceFile);
       }
     }
-  })
-  .argv;
+  });
+
+program.parse();
 
 async function* loadTests(): AsyncIterable<Test> {
   for (const filename of globSync(path.join(projectDir, 'src', 'test', '**', '*.md'))) {
diff --git a/src/bin/bolt.ts b/src/bin/bolt.ts
index 108d81190..811fe927e 100644
--- a/src/bin/bolt.ts
+++ b/src/bin/bolt.ts
@@ -4,53 +4,44 @@ import "source-map-support/register"
 
 import util from "util"
 import path from "path"
-import fs from "fs"
-import yargs from "yargs"
+import { Command } from "commander"
 
-import { ConsoleDiagnostics, Diagnostics, UnexpectedCharDiagnostic, UnexpectedTokenDiagnostic } from "../diagnostics"
-import { Punctuator, ScanError, Scanner } from "../scanner"
-import { ParseError, Parser } from "../parser"
-import { Checker } from "../checker"
-import { SourceFile, TextFile } from "../cst"
-import { parseSourceFile } from ".."
-import { Analyser } from "../analysis"
 import { Program, TargetType } from "../program"
 
 function debug(value: any) {
   console.error(util.inspect(value, { colors: true, depth: Infinity }));
 }
 
-yargs
-  .string('work-dir')
-  .describe('work-dir', 'Act as if run from this directory')
-  .default('work-dir', '.')
-  .alias('work-dir', 'C')
-  .command(
-    ['$0 <file>', 'exec <file>'],
-    'Execute a Bolt script',
-    yargs => yargs
-      .string('file')
-      .demandOption('file')
-      .describe('file', 'Path to the script to execute')
-    , args => {
+const program = new Command();
 
-      const cwd = args.C;
-      const filename = path.resolve(cwd, args.file);
+program
+  .name('bolt')
+  .description('The official Bolt language compiler')
+  .version('0.0.1')
+  .option('-C, --work-dir', 'Act as if run from this directory', '.');
 
-      const program = new Program([ filename ]);
-      if (program.diagnostics.hasError) {
-        process.exit(1);
-      }
-      program.check();
-      if (program.diagnostics.hasError) {
-        process.exit(1);
-      }
-      program.emit({ type: TargetType.JS });
-      if (program.diagnostics.hasError) {
-        process.exit(1);
-      }
+program
+  .command('build', 'Build a set of Bolt sources')
+  .argument('<file>', 'Path to the Bolt program to compile')
+  .action((file, opts) => {
+
+    const cwd = opts.workDir;
+    const filename = path.resolve(cwd, file);
+
+    const program = new Program([ filename ]);
+    if (program.diagnostics.hasError) {
+      process.exit(1);
     }
-  )
-  .help()
-  .version()
-  .argv
+    program.check();
+    if (program.diagnostics.hasError) {
+      process.exit(1);
+    }
+    program.emit({ type: TargetType.JS });
+    if (program.diagnostics.hasError) {
+      process.exit(1);
+    }
+
+  });
+
+program.parse();
+