diff --git a/.mocharc.json b/.mocharc.json
new file mode 100644
index 00000000..2ee280f0
--- /dev/null
+++ b/.mocharc.json
@@ -0,0 +1,5 @@
+{
+	"delay": true,
+	"ui": "tdd",
+	"spec": "test/unit/all.js"
+}
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 85dbce74..fdfdf5f9 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -9,7 +9,8 @@
 			"request": "launch",
 			"name": "Monaco Languages Unit Tests",
 			"skipFiles": ["<node_internals>/**"],
-			"program": "${workspaceFolder}/test/unit/all.js",
+			"program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
+			"args": ["-r", "test/unit/all.js"],
 			"outFiles": ["${workspaceFolder}/**/*.js"]
 		},
 		{
diff --git a/package-lock.json b/package-lock.json
index 8603812d..54728575 100644
--- a/package-lock.json
+++ b/package-lock.json
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 			"dev": true
 		},
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-			"resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz",
-			"integrity": "sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==",
-			"dev": true,
-			"requires": {
-				"is-bigint": "^1.0.1",
-				"is-boolean-object": "^1.1.0",
-				"is-number-object": "^1.0.4",
-				"is-string": "^1.0.5",
-				"is-symbol": "^1.0.3"
-			}
-		},
-		"which-collection": {
-			"version": "1.0.1",
-			"resolved": "https://registry.npmjs.org/which-collection/-/which-collection-1.0.1.tgz",
-			"integrity": "sha512-W8xeTUwaln8i3K/cY1nGXzdnVZlidBcagyNFtBdD5kxnb4TvGKR7FfSIS3mYpwWS1QUCutfKz8IY8RjftB0+1A==",
-			"dev": true,
-			"requires": {
-				"is-map": "^2.0.1",
-				"is-set": "^2.0.1",
-				"is-weakmap": "^2.0.1",
-				"is-weakset": "^2.0.1"
-			}
-		},
-		"which-typed-array": {
-			"version": "1.1.7",
-			"resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.7.tgz",
-			"integrity": "sha512-vjxaB4nfDqwKI0ws7wZpxIlde1XrLX5uB0ZjpfshgmapJMD7jJWhZI+yToJTqaFByF0eNBcYxbjmCzoRP7CfEw==",
-			"dev": true,
-			"requires": {
-				"available-typed-arrays": "^1.0.5",
-				"call-bind": "^1.0.2",
-				"es-abstract": "^1.18.5",
-				"foreach": "^2.0.5",
-				"has-tostringtag": "^1.0.0",
-				"is-typed-array": "^1.1.7"
-			}
-		},
 		"word-wrap": {
 			"version": "1.2.3",
 			"resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
diff --git a/package.json b/package.json
index 60441768..0f25cb9f 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
 		"simpleserver": "node ./build/simpleserver",
 		"smoketest-debug": "node ./test/smoke/runner.js --debug-tests",
 		"smoketest": "node ./test/smoke/runner.js",
-		"test": "node ./test/unit/all.js",
+		"test": "mocha",
 		"typedoc": "cd website/typedoc && \"../../node_modules/.bin/typedoc\" --options ./typedoc.json",
 		"watch": "tsc -w -p ./src"
 	},
@@ -30,7 +30,7 @@
 		"url": "https://github.com/microsoft/monaco-editor"
 	},
 	"devDependencies": {
-		"@types/tape": "^4.13.2",
+		"@types/mocha": "^9.0.0",
 		"@typescript/vfs": "^1.3.5",
 		"chai": "^4.3.4",
 		"clean-css": "^5.2.2",
@@ -46,7 +46,6 @@
 		"prettier": "^2.4.1",
 		"pretty-quick": "^3.1.1",
 		"requirejs": "^2.3.6",
-		"tape": "^5.3.1",
 		"terser": "^5.10.0",
 		"typedoc": "^0.22.9",
 		"typescript": "4.4.4",
diff --git a/src/basic-languages/test/testRunner.ts b/src/basic-languages/test/testRunner.ts
index 0ceabccc..83ea33c7 100644
--- a/src/basic-languages/test/testRunner.ts
+++ b/src/basic-languages/test/testRunner.ts
@@ -5,7 +5,7 @@
 
 import '../monaco.contribution';
 import { loadLanguage } from '../_.contribution';
-import * as test from 'tape';
+import * as assert from 'assert';
 import { editor } from '../../fillers/monaco-editor-core';
 
 export interface IRelaxedToken {
@@ -33,18 +33,18 @@ export function testTokenization(_language: string | string[], tests: ITestItem[
 	}
 	let mainLanguage = languages[0];
 
-	test(mainLanguage + ' tokenization', async (t: test.Test) => {
+	test(mainLanguage + ' tokenization', async () => {
 		await Promise.all(languages.map((l) => loadLanguage(l)));
 		await timeout(0);
-		runTests(t, mainLanguage, tests);
+		runTests(mainLanguage, tests);
 	});
 }
 
-function runTests(t: test.Test, languageId: string, tests: ITestItem[][]): void {
-	tests.forEach((test) => runTest(t, languageId, test));
+function runTests(languageId: string, tests: ITestItem[][]): void {
+	tests.forEach((test) => runTest(languageId, test));
 }
 
-function runTest(t: test.Test, languageId: string, test: ITestItem[]): void {
+function runTest(languageId: string, test: ITestItem[]): void {
 	let text = test.map((t) => t.line).join('\n');
 	let actualTokens = editor.tokenize(text, languageId);
 	let actual = actualTokens.map((lineTokens, index) => {
@@ -59,5 +59,5 @@ function runTest(t: test.Test, languageId: string, test: ITestItem[]): void {
 		};
 	});
 
-	t.deepEqual(actual, test);
+	assert.deepStrictEqual(actual, test);
 }
diff --git a/test/unit/all.js b/test/unit/all.js
index 110aeb64..ab080a30 100644
--- a/test/unit/all.js
+++ b/test/unit/all.js
@@ -46,7 +46,7 @@ requirejs(
 				requirejs(
 					files.map((f) => f.replace(/^out\/amd/, 'vs').replace(/\.js$/, '')),
 					function () {
-						// We can launch the tests!
+						run(); // We can launch the tests!
 					},
 					function (err) {
 						console.log(err);