diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e3b0910..4c247ee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [^10.18.0, ^12.14.0, ^13.5.0]
+        node-version: [^12.22, ^14.16, ^15]
         os: [ubuntu-latest, windows-latest]
     steps:
       - uses: actions/checkout@v1
diff --git a/.gitignore b/.gitignore
index 4f52d76..ccc2930 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
-/.nyc_output
 /coverage
 /node_modules
diff --git a/index.js b/index.js
index c054114..c48265e 100644
--- a/index.js
+++ b/index.js
@@ -27,7 +27,7 @@ function isValidRewritePaths(rewritePaths) {
 }
 
 module.exports = ({negotiateProtocol}) => {
-	const protocol = negotiateProtocol(['ava-3.2', 'ava-3'], {version: pkg.version});
+	const protocol = negotiateProtocol(['ava-3.2'], {version: pkg.version});
 	if (protocol === null) {
 		return;
 	}
diff --git a/package.json b/package.json
index 7e1ac53..228b04a 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "1.1.1",
   "description": "TypeScript provider for AVA",
   "engines": {
-    "node": ">=10.18.0 <11 || >=12.14.0 <13 || >=13.5.0"
+    "node": ">=12.22 <13 || >=14.16 <15 || >=15"
   },
   "files": [
     "index.js"
@@ -16,18 +16,18 @@
     "typescript"
   ],
   "scripts": {
-    "test": "xo && nyc ava"
+    "test": "xo && c8 ava"
   },
   "dependencies": {
-    "escape-string-regexp": "^2.0.0"
+    "escape-string-regexp": "^4.0.0"
   },
   "devDependencies": {
-    "ava": "^3.0.0",
-    "execa": "^4.0.0",
-    "nyc": "^15.0.0",
-    "xo": "^0.25.3"
+    "ava": "^3.15.0",
+    "c8": "^7.7.1",
+    "execa": "^5.0.0",
+    "xo": "^0.38.2"
   },
-  "nyc": {
+  "c8": {
     "reporter": [
       "html",
       "lcov",
diff --git a/test/protocol-ava-3.2.js b/test/protocol-ava-3.2.js
index 8400002..82d41d0 100644
--- a/test/protocol-ava-3.2.js
+++ b/test/protocol-ava-3.2.js
@@ -1,5 +1,6 @@
 const path = require('path');
 const test = require('ava');
+const execa = require('execa');
 const pkg = require('../package.json');
 const makeProvider = require('..');
 
@@ -8,7 +9,7 @@ const withProvider = (t, run) => run(t, makeProvider({
 		t.true(identifiers.includes('ava-3.2'));
 		t.is(version, pkg.version);
 		return {
-			ava: {version: '3.2.0'},
+			ava: {version: '3.15.0'},
 			identifier: 'ava-3.2',
 			normalizeGlobPatterns: patterns => patterns,
 			async findFiles({patterns}) {
@@ -19,8 +20,60 @@ const withProvider = (t, run) => run(t, makeProvider({
 	}
 }));
 
+const validateConfig = (t, provider, config) => {
+	const error = t.throws(() => provider.main({config}));
+	error.message = error.message.replace(`v${pkg.version}`, 'v${pkg.version}'); // eslint-disable-line no-template-curly-in-string
+	t.snapshot(error);
+};
+
 test('negotiates ava-3.2 protocol', withProvider, t => t.plan(2));
 
+test('main() config validation: throw when config is not a plain object', withProvider, (t, provider) => {
+	validateConfig(t, provider, false);
+	validateConfig(t, provider, true);
+	validateConfig(t, provider, null);
+	validateConfig(t, provider, []);
+});
+
+test('main() config validation: throw when config contains keys other than \'extensions\' or \'rewritePaths\'', withProvider, (t, provider) => {
+	validateConfig(t, provider, {foo: 1});
+});
+
+test('main() config validation: throw when config.extensions contains empty strings', withProvider, (t, provider) => {
+	validateConfig(t, provider, {extensions: ['']});
+});
+
+test('main() config validation: throw when config.extensions contains non-strings', withProvider, (t, provider) => {
+	validateConfig(t, provider, {extensions: [1]});
+});
+
+test('main() config validation: throw when config.extensions contains duplicates', withProvider, (t, provider) => {
+	validateConfig(t, provider, {extensions: ['ts', 'ts']});
+});
+
+test('main() config validation: config may not be an empty object', withProvider, (t, provider) => {
+	validateConfig(t, provider, {});
+});
+
+test('main() config validation: rewrite paths must end in a /', withProvider, (t, provider) => {
+	validateConfig(t, provider, {rewritePaths: {src: 'build/'}});
+	validateConfig(t, provider, {rewritePaths: {'src/': 'build'}});
+});
+
+test('main() extensions: defaults to [\'ts\']', withProvider, (t, provider) => {
+	t.deepEqual(provider.main({config: {rewritePaths: {'src/': 'build/'}}}).extensions, ['ts']);
+});
+
+test('main() extensions: returns configured extensions', withProvider, (t, provider) => {
+	const extensions = ['tsx'];
+	t.deepEqual(provider.main({config: {extensions, rewritePaths: {'src/': 'build/'}}}).extensions, extensions);
+});
+
+test('main() extensions: always returns new arrays', withProvider, (t, provider) => {
+	const main = provider.main({config: {rewritePaths: {'src/': 'build/'}}});
+	t.not(main.extensions, main.extensions);
+});
+
 test('main() ignoreChange()', withProvider, (t, provider) => {
 	const main = provider.main({config: {rewritePaths: {'src/': 'build/'}}});
 	t.true(main.ignoreChange(path.join(__dirname, 'src/foo.ts')));
@@ -41,3 +94,29 @@ test('main() updateGlobs()', withProvider, (t, provider) => {
 		ignoredByWatcherPatterns: ['assets/**']
 	}));
 });
+
+const compile = async provider => {
+	return {
+		state: await provider.main({
+			config: {
+				rewritePaths: {
+					'typescript/': 'fixtures/'
+				}
+			}
+		}).compile()
+	};
+};
+
+test('worker(): load rewritten paths files', withProvider, async (t, provider) => {
+	const {state} = await compile(provider);
+	const {stdout, stderr} = await execa.node(
+		path.join(__dirname, 'fixtures/install-and-load'),
+		['ava-3', JSON.stringify(state), path.join(__dirname, 'typescript', 'file.ts')],
+		{cwd: path.join(__dirname, 'fixtures')}
+	);
+	if (stderr.length > 0) {
+		t.log(stderr);
+	}
+
+	t.snapshot(stdout);
+});
diff --git a/test/protocol-ava-3.js b/test/protocol-ava-3.js
deleted file mode 100644
index 5839f6e..0000000
--- a/test/protocol-ava-3.js
+++ /dev/null
@@ -1,101 +0,0 @@
-const path = require('path');
-const test = require('ava');
-const execa = require('execa');
-const pkg = require('../package.json');
-const makeProvider = require('..');
-
-const withProvider = (t, run) => run(t, makeProvider({
-	negotiateProtocol(identifiers, {version}) {
-		t.true(identifiers.includes('ava-3'));
-		t.is(version, pkg.version);
-		return {
-			ava: {version: '3.0.0'},
-			identifier: 'ava-3',
-			normalizeGlobPatterns: patterns => patterns,
-			async findFiles({patterns}) {
-				return patterns.map(file => path.join(__dirname, file));
-			},
-			projectDir: __dirname
-		};
-	}
-}));
-
-const validateConfig = (t, provider, config) => {
-	const error = t.throws(() => provider.main({config}));
-	error.message = error.message.replace(`v${pkg.version}`, 'v${pkg.version}'); // eslint-disable-line no-template-curly-in-string
-	t.snapshot(error);
-};
-
-test('negotiates ava-3 protocol', withProvider, t => t.plan(2));
-
-test('main() config validation: throw when config is not a plain object', withProvider, (t, provider) => {
-	validateConfig(t, provider, false);
-	validateConfig(t, provider, true);
-	validateConfig(t, provider, null);
-	validateConfig(t, provider, []);
-});
-
-test('main() config validation: throw when config contains keys other than \'extensions\' or \'rewritePaths\'', withProvider, (t, provider) => {
-	validateConfig(t, provider, {foo: 1});
-});
-
-test('main() config validation: throw when config.extensions contains empty strings', withProvider, (t, provider) => {
-	validateConfig(t, provider, {extensions: ['']});
-});
-
-test('main() config validation: throw when config.extensions contains non-strings', withProvider, (t, provider) => {
-	validateConfig(t, provider, {extensions: [1]});
-});
-
-test('main() config validation: throw when config.extensions contains duplicates', withProvider, (t, provider) => {
-	validateConfig(t, provider, {extensions: ['ts', 'ts']});
-});
-
-test('main() config validation: config may not be an empty object', withProvider, (t, provider) => {
-	validateConfig(t, provider, {});
-});
-
-test('main() config validation: rewrite paths must end in a /', withProvider, (t, provider) => {
-	validateConfig(t, provider, {rewritePaths: {src: 'build/'}});
-	validateConfig(t, provider, {rewritePaths: {'src/': 'build'}});
-});
-
-test('main() extensions: defaults to [\'ts\']', withProvider, (t, provider) => {
-	t.deepEqual(provider.main({config: {rewritePaths: {'src/': 'build/'}}}).extensions, ['ts']);
-});
-
-test('main() extensions: returns configured extensions', withProvider, (t, provider) => {
-	const extensions = ['tsx'];
-	t.deepEqual(provider.main({config: {extensions, rewritePaths: {'src/': 'build/'}}}).extensions, extensions);
-});
-
-test('main() extensions: always returns new arrays', withProvider, (t, provider) => {
-	const main = provider.main({config: {rewritePaths: {'src/': 'build/'}}});
-	t.not(main.extensions, main.extensions);
-});
-
-const compile = async provider => {
-	return {
-		state: await provider.main({
-			config: {
-				rewritePaths: {
-					'typescript/': 'fixtures/'
-				}
-			}
-		}).compile()
-	};
-};
-
-test('worker(): load rewritten paths files', withProvider, async (t, provider) => {
-	const {state} = await compile(provider);
-	const {stdout, stderr} = await execa.node(
-		path.join(__dirname, 'fixtures/install-and-load'),
-		['ava-3', JSON.stringify(state), path.join(__dirname, 'typescript', 'file.ts')],
-		{cwd: path.join(__dirname, 'fixtures')}
-	);
-	if (stderr.length > 0) {
-		t.log(stderr);
-	}
-
-	t.snapshot(stdout);
-});
diff --git a/test/snapshots/protocol-ava-3.2.js.md b/test/snapshots/protocol-ava-3.2.js.md
index 121606e..98cbcff 100644
--- a/test/snapshots/protocol-ava-3.2.js.md
+++ b/test/snapshots/protocol-ava-3.2.js.md
@@ -4,6 +4,86 @@ The actual snapshot is saved in `protocol-ava-3.2.js.snap`.
 
 Generated by [AVA](https://avajs.dev).
 
+## main() config validation: throw when config is not a plain object
+
+> Snapshot 1
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+> Snapshot 2
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+> Snapshot 3
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+> Snapshot 4
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+## main() config validation: throw when config contains keys other than 'extensions' or 'rewritePaths'
+
+> Snapshot 1
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+## main() config validation: throw when config.extensions contains empty strings
+
+> Snapshot 1
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+## main() config validation: throw when config.extensions contains non-strings
+
+> Snapshot 1
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+## main() config validation: throw when config.extensions contains duplicates
+
+> Snapshot 1
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+## main() config validation: config may not be an empty object
+
+> Snapshot 1
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+## main() config validation: rewrite paths must end in a /
+
+> Snapshot 1
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
+> Snapshot 2
+
+    Error {
+      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
+    }
+
 ## main() updateGlobs()
 
 > Snapshot 1
@@ -19,3 +99,9 @@ Generated by [AVA](https://avajs.dev).
         'build/**/*.js.map',
       ],
     }
+
+## worker(): load rewritten paths files
+
+> Snapshot 1
+
+    'logged in file.js'
diff --git a/test/snapshots/protocol-ava-3.2.js.snap b/test/snapshots/protocol-ava-3.2.js.snap
index d5b6a0d..b76e02d 100644
Binary files a/test/snapshots/protocol-ava-3.2.js.snap and b/test/snapshots/protocol-ava-3.2.js.snap differ
diff --git a/test/snapshots/protocol-ava-3.js.md b/test/snapshots/protocol-ava-3.js.md
deleted file mode 100644
index 43ba7b2..0000000
--- a/test/snapshots/protocol-ava-3.js.md
+++ /dev/null
@@ -1,91 +0,0 @@
-# Snapshot report for `test/protocol-ava-3.js`
-
-The actual snapshot is saved in `protocol-ava-3.js.snap`.
-
-Generated by [AVA](https://avajs.dev).
-
-## main() config validation: config may not be an empty object
-
-> Snapshot 1
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-## main() config validation: rewrite paths must end in a /
-
-> Snapshot 1
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-> Snapshot 2
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-## main() config validation: throw when config contains keys other than 'extensions' or 'rewritePaths'
-
-> Snapshot 1
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-## main() config validation: throw when config is not a plain object
-
-> Snapshot 1
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-> Snapshot 2
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-> Snapshot 3
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-> Snapshot 4
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-## main() config validation: throw when config.extensions contains duplicates
-
-> Snapshot 1
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-## main() config validation: throw when config.extensions contains empty strings
-
-> Snapshot 1
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-## main() config validation: throw when config.extensions contains non-strings
-
-> Snapshot 1
-
-    Error {
-      message: 'Unexpected Typescript configuration for AVA. See https://github.com/avajs/typescript/blob/v${pkg.version}/README.md for allowed values.',
-    }
-
-## worker(): load rewritten paths files
-
-> Snapshot 1
-
-    'logged in file.js'
diff --git a/test/snapshots/protocol-ava-3.js.snap b/test/snapshots/protocol-ava-3.js.snap
deleted file mode 100644
index 35da63a..0000000
Binary files a/test/snapshots/protocol-ava-3.js.snap and /dev/null differ