diff --git a/md/ts-jsdoc.md b/md/ts-jsdoc.md
index 58ee899cf..ff7a76a8a 100644
--- a/md/ts-jsdoc.md
+++ b/md/ts-jsdoc.md
@@ -176,7 +176,7 @@ export type IntersectionType = Type1 & Type2
 
 ```js
 // index.js
-/** @type { import('./types').IntersectionType } */
+/** @type { import("./types.js").IntersectionType } */
 const list
 ```
 You can also organise your source types in the same way as [vendored types](#vendor-type-declarations).
@@ -231,7 +231,7 @@ const fs = require('fs')
  * @typedef {import("interface-datastore/src/types").Batch} Batch
  * @typedef {import('interface-datastore/src/key')} Key
  * @typedef {import('interface-datastore/src/adapter').Query} Query
- * @typedef {import('./types').KeyTransform} KeyTransform
+ * @typedef {import("./types.js").KeyTransform} KeyTransform
  */
 ```
 
diff --git a/src/build/index.js b/src/build/index.js
index 54537dfbb..c3837380e 100644
--- a/src/build/index.js
+++ b/src/build/index.js
@@ -15,8 +15,8 @@ const defaults = merge.bind({
 })
 
 /**
- * @typedef {import("../types").GlobalOptions} GlobalOptions
- * @typedef {import("../types").BuildOptions} BuildOptions
+ * @typedef {import("../types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("../types.js").BuildOptions} BuildOptions
  * @typedef {import("listr").ListrTaskWrapper} Task
  */
 
diff --git a/src/clean.js b/src/clean.js
index b51ce65c2..e251d81a1 100644
--- a/src/clean.js
+++ b/src/clean.js
@@ -4,7 +4,7 @@ import Listr from 'listr'
 import { rimraf } from 'rimraf'
 
 /**
- * @typedef {import("./types").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
  */
 
 export default new Listr([
diff --git a/src/config/tsconfig.aegir.json b/src/config/tsconfig.aegir.json
index 7b6dc9e06..2554ec5ea 100644
--- a/src/config/tsconfig.aegir.json
+++ b/src/config/tsconfig.aegir.json
@@ -6,7 +6,7 @@
         "allowJs": true,
         "checkJs": true,
         "target": "ES2022",
-        "module": "ES2022",
+        "module": "Node16",
         "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
         "noEmit": false,
         "noEmitOnError": true,
@@ -20,7 +20,7 @@
         "sourceMap": true,
         // module resolution
         "esModuleInterop": true,
-        "moduleResolution": "node",
+        "moduleResolution": "Node16",
         // linter checks
         "noImplicitReturns": false,
         "noFallthroughCasesInSwitch": true,
diff --git a/src/config/user.js b/src/config/user.js
index 0f8d0cc83..0957e2e4d 100644
--- a/src/config/user.js
+++ b/src/config/user.js
@@ -6,7 +6,7 @@ import merge from '../utils/merge-options.js'
 import { isTypescript } from '../utils.js'
 
 /**
- * @typedef {import("./../types").Options} Options
+ * @typedef {import("../types.js").Options} Options
  */
 
 /** @type {Omit<Options, "fileConfig">} */
diff --git a/src/dependency-check.js b/src/dependency-check.js
index b0316e09d..c98a9aff7 100644
--- a/src/dependency-check.js
+++ b/src/dependency-check.js
@@ -20,8 +20,8 @@ const ignoredDevDependencies = [
 
 /**
  * @typedef {import("listr").ListrTaskWrapper} Task
- * @typedef {import("./types").GlobalOptions} GlobalOptions
- * @typedef {import("./types").DependencyCheckOptions} DependencyCheckOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").DependencyCheckOptions} DependencyCheckOptions
  */
 
 const tasks = new Listr(
diff --git a/src/docs.js b/src/docs.js
index e7b8caa75..c3c97d1d1 100644
--- a/src/docs.js
+++ b/src/docs.js
@@ -12,8 +12,8 @@ const publishPages = promisify(ghPages.publish)
 const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
 /**
- * @typedef {import("./types").GlobalOptions} GlobalOptions
- * @typedef {import("./types").DocsOptions} DocsOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").DocsOptions} DocsOptions
  * @typedef {import("listr").ListrTaskWrapper} Task
  */
 
diff --git a/src/docs/type-indexer-plugin.js b/src/docs/type-indexer-plugin.js
index 7bf88fe4d..07247d5a9 100644
--- a/src/docs/type-indexer-plugin.js
+++ b/src/docs/type-indexer-plugin.js
@@ -51,7 +51,7 @@ export function load (app) {
   }
 
   /**
-   * @param {import("typedoc/dist/lib/output/events").RendererEvent} event
+   * @param {import("typedoc").RendererEvent} event
    */
   const onRendererBegin = event => {
     if (!event.urls) {
@@ -228,7 +228,7 @@ function onResolve (context, decl) {
  * For a given UrlMapping, find the nearest package.json file
  * and work out if a `typedoc-urls.json` should be generated.
  *
- * @param {import("typedoc/dist/lib/models/sources/file").SourceReference} source
+ * @param {import("typedoc").SourceReference} source
  * @param {boolean} isMonorepo
  * @returns {ProjectContext}
  */
@@ -262,7 +262,7 @@ function findContext (source, isMonorepo) {
 }
 
 /**
- * @param {import("typedoc/dist/lib/application").Application} Application
+ * @param {import("typedoc").Application} Application
  * @param {ProjectContext} context
  * @returns {Documentation | undefined}
  */
diff --git a/src/docs/unknown-symbol-resolver-plugin.js b/src/docs/unknown-symbol-resolver-plugin.js
index 47411d460..8c15e2b12 100644
--- a/src/docs/unknown-symbol-resolver-plugin.js
+++ b/src/docs/unknown-symbol-resolver-plugin.js
@@ -41,7 +41,7 @@ const ignoreModules = [
  * `typedoc-urls.json` files from the `dist` folder of types that need
  * documenting. See `type-indexer-plugin.cjs` for how this file is generated.
  *
- * @param {import("typedoc/dist/lib/application").Application} app
+ * @param {import("typedoc").Application} app
  */
 export function load (app) {
   app.converter.addUnknownSymbolResolver((ref, refl, part, symbolId) => {
@@ -122,7 +122,7 @@ function loadTypedocUrls (moduleName) {
 }
 
 /**
- * @param {import("typedoc/dist/lib/converter/comments/declarationReference").ComponentPath[] | undefined} refs
+ * @param {import("typedoc").ComponentPath[] | undefined} refs
  */
 function calculateName (refs) {
   if (refs == null || refs.length === 0) {
diff --git a/src/document-check.js b/src/document-check.js
index 1885f8acd..35db9edc4 100644
--- a/src/document-check.js
+++ b/src/document-check.js
@@ -8,8 +8,8 @@ import { compileSnippets } from 'typescript-docs-verifier'
 import merge from './utils/merge-options.js'
 import { formatCode, formatError, fromRoot, hasTsconfig, readJson } from './utils.js'
 /**
- * @typedef {import("./types").GlobalOptions} GlobalOptions
- * @typedef {import("./types").DocsVerifierOptions} DocsVerifierOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").DocsVerifierOptions} DocsVerifierOptions
  * @typedef {import("listr").ListrTaskWrapper} Task
  */
 
@@ -51,8 +51,8 @@ const tasks = new Listr(
                 userTSConfig,
                 {
                   compilerOptions: {
-                    target: 'esnext',
-                    module: 'esnext',
+                    target: 'ES2022',
+                    module: 'Node16',
                     noImplicitAny: true,
                     noEmit: true
                   }
diff --git a/src/exec.js b/src/exec.js
index e785143ff..a0ad2ef5f 100644
--- a/src/exec.js
+++ b/src/exec.js
@@ -3,8 +3,8 @@ import kleur from 'kleur'
 import { everyMonorepoProject, pipeOutput } from './utils.js'
 
 /**
- * @typedef {import("./types").GlobalOptions} GlobalOptions
- * @typedef {import("./types").ExecOptions} ExecOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").ExecOptions} ExecOptions
  */
 
 export default {
diff --git a/src/index.js b/src/index.js
index b576a25e5..372f5a8ab 100755
--- a/src/index.js
+++ b/src/index.js
@@ -23,16 +23,16 @@ import testCmd from './cmds/test.js'
 import { loadUserConfig } from './config/user.js'
 
 /**
- * @typedef {import('./types').BuildOptions} BuildOptions
- * @typedef {import('./types').DependencyCheckOptions} DependencyCheckOptions
- * @typedef {import('./types').DocsOptions} DocsOptions
- * @typedef {import('./types').GlobalOptions} GlobalOptions
- * @typedef {import('./types').LintOptions} LintOptions
- * @typedef {import('./types').Options} Options
- * @typedef {import('./types').PartialOptions} PartialOptions
- * @typedef {import('./types').ReleaseOptions} ReleaseOptions
- * @typedef {import('./types').TSOptions} TSOptions
- * @typedef {import('./types').TestOptions} TestOptions
+ * @typedef {import("./types.js").BuildOptions} BuildOptions
+ * @typedef {import("./types.js").DependencyCheckOptions} DependencyCheckOptions
+ * @typedef {import("./types.js").DocsOptions} DocsOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").LintOptions} LintOptions
+ * @typedef {import("./types.js").Options} Options
+ * @typedef {import("./types.js").PartialOptions} PartialOptions
+ * @typedef {import("./types.js").ReleaseOptions} ReleaseOptions
+ * @typedef {import("./types.js").TSOptions} TSOptions
+ * @typedef {import("./types.js").TestOptions} TestOptions
  */
 
 process.on('unhandledRejection', (err) => {
diff --git a/src/lint.js b/src/lint.js
index f873ab283..dc878ac88 100644
--- a/src/lint.js
+++ b/src/lint.js
@@ -14,10 +14,10 @@ import { fromRoot, readJson, hasTsconfig, isTypescript, findBinary, hasDocCheck
 const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
 /**
- * @typedef {import("./types").GlobalOptions} GlobalOptions
- * @typedef {import("./types").LintOptions} LintOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").LintOptions} LintOptions
  * @typedef {import("listr").ListrTaskWrapper} Task
- * @typedef {import("./types").TSOptions} TSOptions
+ * @typedef {import("./types.js").TSOptions} TSOptions
  */
 
 const tasks = new Listr(
diff --git a/src/release-rc.js b/src/release-rc.js
index cfb39aafe..5534d5e59 100644
--- a/src/release-rc.js
+++ b/src/release-rc.js
@@ -8,8 +8,8 @@ import retry from 'p-retry'
 import { isMonorepoParent, pkg, everyMonorepoProject, pipeOutput } from './utils.js'
 
 /**
- * @typedef {import("./types").GlobalOptions} GlobalOptions
- * @typedef {import("./types").ReleaseRcOptions} ReleaseRcOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").ReleaseRcOptions} ReleaseRcOptions
  * @typedef {import("listr").ListrTaskWrapper} Task
  */
 
diff --git a/src/release.js b/src/release.js
index 1f8764db6..183a9ca38 100644
--- a/src/release.js
+++ b/src/release.js
@@ -8,8 +8,8 @@ import { calculateSiblingVersion } from './check-project/utils.js'
 import { isMonorepoProject, hasDocs, glob } from './utils.js'
 
 /**
- * @typedef {import("./types").GlobalOptions} GlobalOptions
- * @typedef {import("./types").ReleaseOptions} ReleaseOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").ReleaseOptions} ReleaseOptions
  * @typedef {import("listr").ListrTaskWrapper} Task
  */
 
diff --git a/src/run.js b/src/run.js
index b39462e68..cd34acd88 100644
--- a/src/run.js
+++ b/src/run.js
@@ -3,8 +3,8 @@ import kleur from 'kleur'
 import { everyMonorepoProject, pipeOutput } from './utils.js'
 
 /**
- * @typedef {import("./types").GlobalOptions} GlobalOptions
- * @typedef {import("./types").RunOptions} RunOptions
+ * @typedef {import("./types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("./types.js").RunOptions} RunOptions
  */
 
 export default {
diff --git a/src/test/browser.js b/src/test/browser.js
index 9302c124f..ee3fd9c48 100644
--- a/src/test/browser.js
+++ b/src/test/browser.js
@@ -8,8 +8,8 @@ const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
 /**
  * @typedef {import("execa").Options} ExecaOptions
- * @typedef {import('./../types').TestOptions} TestOptions
- * @typedef {import('./../types').GlobalOptions} GlobalOptions
+ * @typedef {import("../types.js").TestOptions} TestOptions
+ * @typedef {import("../types.js").GlobalOptions} GlobalOptions
  */
 
 /**
diff --git a/src/test/electron.js b/src/test/electron.js
index 341805730..1dc6335de 100644
--- a/src/test/electron.js
+++ b/src/test/electron.js
@@ -8,8 +8,8 @@ const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
 /**
  * @typedef {import("execa").Options} ExecaOptions
- * @typedef {import('./../types').TestOptions} TestOptions
- * @typedef {import('./../types').GlobalOptions} GlobalOptions
+ * @typedef {import("../types.js").TestOptions} TestOptions
+ * @typedef {import("../types.js").GlobalOptions} GlobalOptions
  */
 
 /**
diff --git a/src/test/index.js b/src/test/index.js
index 12760dca1..cb7c81c32 100644
--- a/src/test/index.js
+++ b/src/test/index.js
@@ -7,9 +7,9 @@ import rn from './react-native.js'
 
 /**
  * @typedef {import("execa").Options} ExecaOptions
- * @typedef {import('./../types').TestOptions} TestOptions
- * @typedef {import('./../types').GlobalOptions} GlobalOptions
- * @typedef {import('./../types').BuildOptions} BuildOptions
+ * @typedef {import("../types.js").TestOptions} TestOptions
+ * @typedef {import("../types.js").GlobalOptions} GlobalOptions
+ * @typedef {import("../types.js").BuildOptions} BuildOptions
  */
 
 const TASKS = [
diff --git a/src/test/node.js b/src/test/node.js
index 378ec859f..8771c1ea9 100644
--- a/src/test/node.js
+++ b/src/test/node.js
@@ -10,8 +10,8 @@ const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
 /**
  * @typedef {import("execa").Options} ExecaOptions
- * @typedef {import('./../types').TestOptions} TestOptions
- * @typedef {import('./../types').GlobalOptions} GlobalOptions
+ * @typedef {import("../types.js").TestOptions} TestOptions
+ * @typedef {import("../types.js").GlobalOptions} GlobalOptions
  */
 
 /**
diff --git a/src/test/react-native.js b/src/test/react-native.js
index 7799ac8b7..7b99db967 100644
--- a/src/test/react-native.js
+++ b/src/test/react-native.js
@@ -7,8 +7,8 @@ const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
 /**
  * @typedef {import("execa").Options} ExecaOptions
- * @typedef {import('../types').TestOptions} TestOptions
- * @typedef {import('../types').GlobalOptions} GlobalOptions
+ * @typedef {import("../types.js").TestOptions} TestOptions
+ * @typedef {import("../types.js").GlobalOptions} GlobalOptions
  */
 
 /**
diff --git a/test/fixtures/js+ts/package.json b/test/fixtures/js+ts/package.json
index 71126e8a9..7c61287f9 100644
--- a/test/fixtures/js+ts/package.json
+++ b/test/fixtures/js+ts/package.json
@@ -1,3 +1,4 @@
 {
-  "name": "my-project"
+  "name": "my-project",
+  "type": "module"
 }
\ No newline at end of file
diff --git a/test/fixtures/js+ts/src/another.ts b/test/fixtures/js+ts/src/another.ts
index ac4b30ee6..37a13e76b 100644
--- a/test/fixtures/js+ts/src/another.ts
+++ b/test/fixtures/js+ts/src/another.ts
@@ -1,4 +1,4 @@
-import { hello } from './typed'
+import { hello } from './typed.js'
 
 export const main = (): void => {
   hello('world')
diff --git a/test/fixtures/js+ts/tsconfig.json b/test/fixtures/js+ts/tsconfig.json
index ac19351e4..c148a7f5a 100644
--- a/test/fixtures/js+ts/tsconfig.json
+++ b/test/fixtures/js+ts/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": false,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,
diff --git a/test/fixtures/projects/a-large-monorepo/packages/a/src/index.js b/test/fixtures/projects/a-large-monorepo/packages/a/src/index.js
index 58dc564eb..54a0af280 100644
--- a/test/fixtures/projects/a-large-monorepo/packages/a/src/index.js
+++ b/test/fixtures/projects/a-large-monorepo/packages/a/src/index.js
@@ -1,5 +1,5 @@
 /**
- * @typedef {import('./types').ExportedButNotInExports} ExportedButNotInExports
+ * @typedef {import("./types.js").ExportedButNotInExports} ExportedButNotInExports
  */
 
 /**
diff --git a/test/fixtures/projects/a-large-monorepo/packages/a/tsconfig.json b/test/fixtures/projects/a-large-monorepo/packages/a/tsconfig.json
index 6ddff411a..6aed773b6 100644
--- a/test/fixtures/projects/a-large-monorepo/packages/a/tsconfig.json
+++ b/test/fixtures/projects/a-large-monorepo/packages/a/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": true,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,
diff --git a/test/fixtures/projects/a-large-monorepo/packages/b/tsconfig.json b/test/fixtures/projects/a-large-monorepo/packages/b/tsconfig.json
index 6ddff411a..6aed773b6 100644
--- a/test/fixtures/projects/a-large-monorepo/packages/b/tsconfig.json
+++ b/test/fixtures/projects/a-large-monorepo/packages/b/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": true,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,
diff --git a/test/fixtures/projects/a-large-monorepo/packages/c/tsconfig.json b/test/fixtures/projects/a-large-monorepo/packages/c/tsconfig.json
index 6ddff411a..6aed773b6 100644
--- a/test/fixtures/projects/a-large-monorepo/packages/c/tsconfig.json
+++ b/test/fixtures/projects/a-large-monorepo/packages/c/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": true,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,
diff --git a/test/fixtures/projects/a-large-monorepo/packages/d/tsconfig.json b/test/fixtures/projects/a-large-monorepo/packages/d/tsconfig.json
index 6ddff411a..6aed773b6 100644
--- a/test/fixtures/projects/a-large-monorepo/packages/d/tsconfig.json
+++ b/test/fixtures/projects/a-large-monorepo/packages/d/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": true,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,
diff --git a/test/fixtures/projects/a-monorepo/packages/a-workspace-project/src/index.js b/test/fixtures/projects/a-monorepo/packages/a-workspace-project/src/index.js
index 58dc564eb..54a0af280 100644
--- a/test/fixtures/projects/a-monorepo/packages/a-workspace-project/src/index.js
+++ b/test/fixtures/projects/a-monorepo/packages/a-workspace-project/src/index.js
@@ -1,5 +1,5 @@
 /**
- * @typedef {import('./types').ExportedButNotInExports} ExportedButNotInExports
+ * @typedef {import("./types.js").ExportedButNotInExports} ExportedButNotInExports
  */
 
 /**
diff --git a/test/fixtures/projects/a-monorepo/packages/a-workspace-project/tsconfig.json b/test/fixtures/projects/a-monorepo/packages/a-workspace-project/tsconfig.json
index 6ddff411a..6aed773b6 100644
--- a/test/fixtures/projects/a-monorepo/packages/a-workspace-project/tsconfig.json
+++ b/test/fixtures/projects/a-monorepo/packages/a-workspace-project/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": true,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,
diff --git a/test/fixtures/projects/a-monorepo/packages/another-workspace-project/src/index.js b/test/fixtures/projects/a-monorepo/packages/another-workspace-project/src/index.js
index 7147f8a99..a0753ecd8 100644
--- a/test/fixtures/projects/a-monorepo/packages/another-workspace-project/src/index.js
+++ b/test/fixtures/projects/a-monorepo/packages/another-workspace-project/src/index.js
@@ -1,5 +1,5 @@
 /**
- * @typedef {import('./types').ExportedButNotInExports} ExportedButNotInExports
+ * @typedef {import("./types.js").ExportedButNotInExports} ExportedButNotInExports
  */
 
 /**
diff --git a/test/fixtures/projects/a-monorepo/packages/another-workspace-project/tsconfig.json b/test/fixtures/projects/a-monorepo/packages/another-workspace-project/tsconfig.json
index 6ddff411a..6aed773b6 100644
--- a/test/fixtures/projects/a-monorepo/packages/another-workspace-project/tsconfig.json
+++ b/test/fixtures/projects/a-monorepo/packages/another-workspace-project/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": true,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,
diff --git a/test/fixtures/projects/a-ts-project/node_modules/a-cjs-dep/package.json b/test/fixtures/projects/a-ts-project/node_modules/a-cjs-dep/package.json
index e86e01db8..75a007e9a 100644
--- a/test/fixtures/projects/a-ts-project/node_modules/a-cjs-dep/package.json
+++ b/test/fixtures/projects/a-ts-project/node_modules/a-cjs-dep/package.json
@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "description": "",
   "main": "src/index.js",
-  "types": "src",
+  "types": "src/index.d.ts",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
diff --git a/test/fixtures/projects/a-ts-project/node_modules/a-cjs-dep/src/index.d.ts b/test/fixtures/projects/a-ts-project/node_modules/a-cjs-dep/src/index.d.ts
index 41469fac9..b98533c3d 100644
--- a/test/fixtures/projects/a-ts-project/node_modules/a-cjs-dep/src/index.d.ts
+++ b/test/fixtures/projects/a-ts-project/node_modules/a-cjs-dep/src/index.d.ts
@@ -1,2 +1,2 @@
-
-export default function herp(): void
+declare function _exports(): void;
+export = _exports;
diff --git a/test/fixtures/projects/a-ts-project/node_modules/an-esm-dep/package.json b/test/fixtures/projects/a-ts-project/node_modules/an-esm-dep/package.json
index 3c14ad382..348c2c6b2 100644
--- a/test/fixtures/projects/a-ts-project/node_modules/an-esm-dep/package.json
+++ b/test/fixtures/projects/a-ts-project/node_modules/an-esm-dep/package.json
@@ -3,7 +3,6 @@
   "version": "1.0.0",
   "description": "",
   "type": "module",
-  "types": "src",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -11,6 +10,7 @@
   "license": "ISC",
   "exports": {
     ".": {
+      "types": "./src/index.d.ts",
       "import": "./src/index.js",
       "require": "./src/index.cjs"
     }
diff --git a/test/fixtures/projects/a-ts-project/package.json b/test/fixtures/projects/a-ts-project/package.json
index 818f516a0..d42a90996 100644
--- a/test/fixtures/projects/a-ts-project/package.json
+++ b/test/fixtures/projects/a-ts-project/package.json
@@ -5,6 +5,7 @@
   "homepage": "https://github.com/ipfs/aegir#readme",
   "exports": {
     ".": {
+      "types": "./dist/src/index.d.ts",
       "import": "./dist/src/index.js"
     }
   },
diff --git a/test/fixtures/projects/a-ts-project/tsconfig.json b/test/fixtures/projects/a-ts-project/tsconfig.json
index ac19351e4..c148a7f5a 100644
--- a/test/fixtures/projects/a-ts-project/tsconfig.json
+++ b/test/fixtures/projects/a-ts-project/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": false,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,
diff --git a/test/fixtures/projects/an-esm-project/node_modules/a-cjs-dep/package.json b/test/fixtures/projects/an-esm-project/node_modules/a-cjs-dep/package.json
index e86e01db8..75a007e9a 100644
--- a/test/fixtures/projects/an-esm-project/node_modules/a-cjs-dep/package.json
+++ b/test/fixtures/projects/an-esm-project/node_modules/a-cjs-dep/package.json
@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "description": "",
   "main": "src/index.js",
-  "types": "src",
+  "types": "src/index.d.ts",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
diff --git a/test/fixtures/projects/an-esm-project/node_modules/a-cjs-dep/src/index.d.ts b/test/fixtures/projects/an-esm-project/node_modules/a-cjs-dep/src/index.d.ts
index 41469fac9..b98533c3d 100644
--- a/test/fixtures/projects/an-esm-project/node_modules/a-cjs-dep/src/index.d.ts
+++ b/test/fixtures/projects/an-esm-project/node_modules/a-cjs-dep/src/index.d.ts
@@ -1,2 +1,2 @@
-
-export default function herp(): void
+declare function _exports(): void;
+export = _exports;
diff --git a/test/fixtures/projects/an-esm-project/node_modules/an-esm-dep/package.json b/test/fixtures/projects/an-esm-project/node_modules/an-esm-dep/package.json
index 3c14ad382..348c2c6b2 100644
--- a/test/fixtures/projects/an-esm-project/node_modules/an-esm-dep/package.json
+++ b/test/fixtures/projects/an-esm-project/node_modules/an-esm-dep/package.json
@@ -3,7 +3,6 @@
   "version": "1.0.0",
   "description": "",
   "type": "module",
-  "types": "src",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -11,6 +10,7 @@
   "license": "ISC",
   "exports": {
     ".": {
+      "types": "./src/index.d.ts",
       "import": "./src/index.js",
       "require": "./src/index.cjs"
     }
diff --git a/test/fixtures/projects/an-esm-project/src/index.js b/test/fixtures/projects/an-esm-project/src/index.js
index b25f813e3..a0536765d 100644
--- a/test/fixtures/projects/an-esm-project/src/index.js
+++ b/test/fixtures/projects/an-esm-project/src/index.js
@@ -4,7 +4,7 @@ import derp from 'an-esm-dep'
 export { garply } from './dir/index.js'
 
 /**
- * @typedef {import('./types').ExportedButNotInExports} ExportedButNotInExports
+ * @typedef {import('./types.js').ExportedButNotInExports} ExportedButNotInExports
  */
 
 /**
@@ -21,7 +21,7 @@ export const useDerp = () => {
 }
 
 /**
- * @type {import('./types').UsedButNotExported}
+ * @type {import('./types.js').UsedButNotExported}
  */
 export const usesInternalType = {
   aMethod: function () {
diff --git a/test/fixtures/projects/an-esm-project/tsconfig.json b/test/fixtures/projects/an-esm-project/tsconfig.json
index 6ddff411a..6aed773b6 100644
--- a/test/fixtures/projects/an-esm-project/tsconfig.json
+++ b/test/fixtures/projects/an-esm-project/tsconfig.json
@@ -5,9 +5,9 @@
       "outDir": "dist",
       "allowJs": true,
       "checkJs": true,
-      "target": "ES2020",
-      "module": "ES2020",
-      "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+      "target": "ES2022",
+      "module": "Node16",
+      "lib": ["ES2022", "DOM", "DOM.Iterable", "WebWorker"],
       "noEmit": false,
       "noEmitOnError": true,
       "emitDeclarationOnly": true,
@@ -20,7 +20,7 @@
       "sourceMap": true,
       // module resolution
       "esModuleInterop": true,
-      "moduleResolution": "node",
+      "moduleResolution": "Node16",
       // linter checks
       "noImplicitReturns": false,
       "noFallthroughCasesInSwitch": true,