diff --git a/sources/@roots/bud-entrypoints/package.json b/sources/@roots/bud-entrypoints/package.json
index 121afc2e60..14428a1f04 100644
--- a/sources/@roots/bud-entrypoints/package.json
+++ b/sources/@roots/bud-entrypoints/package.json
@@ -61,7 +61,8 @@
   "module": "./lib/index.js",
   "devDependencies": {
     "@skypack/package-check": "0.2.2",
-    "@types/node": "20.12.8"
+    "@types/node": "20.12.8",
+    "vitest": "1.6.0"
   },
   "dependencies": {
     "@roots/bud": "workspace:*",
diff --git a/sources/@roots/bud-entrypoints/src/extension.ts b/sources/@roots/bud-entrypoints/src/extension/index.ts
similarity index 100%
rename from sources/@roots/bud-entrypoints/src/extension.ts
rename to sources/@roots/bud-entrypoints/src/extension/index.ts
diff --git a/sources/@roots/bud-entrypoints/src/index.ts b/sources/@roots/bud-entrypoints/src/index.ts
index e0a885cfd8..3eec0719de 100644
--- a/sources/@roots/bud-entrypoints/src/index.ts
+++ b/sources/@roots/bud-entrypoints/src/index.ts
@@ -10,7 +10,7 @@
 
 import type {ExtensionApi} from '@roots/bud-framework/extension'
 
-import BudEntrypoints from './extension.js'
+import BudEntrypoints from './extension/index.js'
 
 declare module '@roots/bud-framework' {
   interface Bud {
diff --git a/sources/@roots/bud-entrypoints/test/extension.test.ts b/sources/@roots/bud-entrypoints/test/extension.test.ts
index 74bfbdd69c..c3b3e6bcf9 100644
--- a/sources/@roots/bud-entrypoints/test/extension.test.ts
+++ b/sources/@roots/bud-entrypoints/test/extension.test.ts
@@ -1,8 +1,43 @@
-import Extension from '@roots/bud-entrypoints'
-import {describe, expect, it} from 'vitest'
+import type {Bud} from '@roots/bud-framework'
+
+import {factory} from '@repo/test-kit'
+import EntrypointsWebpackPlugin from '@roots/entrypoints-webpack-plugin'
+import {beforeEach, describe, expect, it, vi} from 'vitest'
+
+import BudEntrypoints from '../src/extension/index.js'
+import DefaultExport from '../src/index.js'
 
 describe(`@roots/bud-entrypoints`, () => {
-  it(`should be constructable`, () => {
-    expect(Extension).toBeInstanceOf(Function)
+  let bud: Bud
+  let entrypoints: BudEntrypoints
+
+  beforeEach(async () => {
+    bud = await factory()
+    entrypoints = new BudEntrypoints(bud)
+  })
+
+  it(`should be instantiable`, () => {
+    expect(entrypoints).toBeInstanceOf(BudEntrypoints)
+  })
+
+  it(`should have a default export`, () => {
+    expect(DefaultExport).toBe(BudEntrypoints)
+  })
+
+  it(`should have a plugin property`, () => {
+    expect(entrypoints.plugin).toBe(EntrypointsWebpackPlugin)
+  })
+
+  it(`should have expected default options`, () => {
+    expect(entrypoints.options).toStrictEqual({
+      emitHtml: false,
+      publicPath: bud.publicPath(),
+      type: `object`,
+    })
+  })
+
+  it(`should use the updated publicPath value if the publicPath is updated`, async () => {
+    bud.setPublicPath(`test/`)
+    expect(entrypoints.options?.publicPath).toBe(`test/`)
   })
 })
diff --git a/sources/@roots/bud-entrypoints/vitest.config.ts b/sources/@roots/bud-entrypoints/vitest.config.ts
new file mode 100644
index 0000000000..1e9fe8a39b
--- /dev/null
+++ b/sources/@roots/bud-entrypoints/vitest.config.ts
@@ -0,0 +1,12 @@
+import {defineConfig} from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    coverage: {
+      exclude: [`**/types/*.ts`],
+      include: [`src/**/*.ts`],
+      provider: `v8`,
+    },
+    include: [`test/**/*.test.ts`, `test/**/*.test.tsx`],
+  },
+})
diff --git a/yarn.lock b/yarn.lock
index c7f37542dc..50cba41f94 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11583,6 +11583,7 @@ __metadata:
     "@skypack/package-check": "npm:0.2.2"
     "@types/node": "npm:20.12.8"
     tslib: "npm:2.6.2"
+    vitest: "npm:1.6.0"
   languageName: unknown
   linkType: soft