diff --git a/packages/next/package.json b/packages/next/package.json
index 53ba03a3eb0c..aa8ad0ae30cc 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -142,7 +142,7 @@
     "url": "0.11.0",
     "url-polyfill": "1.1.7",
     "use-subscription": "1.1.1",
-    "watchpack": "2.0.0-beta.5",
+    "watchpack": "2.0.0-beta.13",
     "webpack": "4.41.2",
     "webpack-dev-middleware": "3.7.0",
     "webpack-hot-middleware": "2.25.0",
diff --git a/test/integration/dynamic-route-rename/pages/[pid].js b/test/integration/dynamic-route-rename/pages/[pid].js
new file mode 100644
index 000000000000..0957a987fc2f
--- /dev/null
+++ b/test/integration/dynamic-route-rename/pages/[pid].js
@@ -0,0 +1 @@
+export default () => 'hi'
diff --git a/test/integration/dynamic-route-rename/test/index.test.js b/test/integration/dynamic-route-rename/test/index.test.js
new file mode 100644
index 000000000000..c4bfc599c6b5
--- /dev/null
+++ b/test/integration/dynamic-route-rename/test/index.test.js
@@ -0,0 +1,53 @@
+/* eslint-env jest */
+/* global jasmine */
+import fs from 'fs-extra'
+import { join } from 'path'
+import {
+  renderViaHTTP,
+  launchApp,
+  findPort,
+  killApp,
+  waitFor,
+} from 'next-test-utils'
+
+jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 30 * 2
+
+let app
+let appPort
+let stderr = ''
+
+const appDir = join(__dirname, '../')
+const pageFile = join(appDir, 'pages/[pid].js')
+const pageFileAlt = join(appDir, 'pages/[PiD].js')
+
+describe('Dynamic route rename casing', () => {
+  beforeAll(async () => {
+    appPort = await findPort()
+    app = await launchApp(appDir, appPort, {
+      onStderr(msg) {
+        stderr += msg || ''
+      },
+    })
+  })
+  afterAll(() => killApp(app))
+
+  it('should not throw error when changing casing of dynamic route file', async () => {
+    // make sure route is loaded in webpack
+    const html = await renderViaHTTP(appPort, '/abc')
+    expect(html).toContain('hi')
+
+    await fs.rename(pageFile, pageFileAlt)
+    await waitFor(2000)
+
+    expect(stderr).not.toContain(
+      `You cannot use different slug names for the same dynamic path`
+    )
+
+    await fs.rename(pageFileAlt, pageFile)
+    await waitFor(2000)
+
+    expect(stderr).not.toContain(
+      `You cannot use different slug names for the same dynamic path`
+    )
+  })
+})
diff --git a/yarn.lock b/yarn.lock
index 56b5c8032f16..6800dbeaf094 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -16736,14 +16736,13 @@ walker@^1.0.7, walker@~1.0.5:
   dependencies:
     makeerror "1.0.x"
 
-watchpack@2.0.0-beta.5:
-  version "2.0.0-beta.5"
-  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-2.0.0-beta.5.tgz#c005db39570d81d9d34334870abc0f548901b880"
-  integrity sha512-HGqh9e9QZFhow8JYX+1+E+kIYK0uTTsk6rCOkI0ff0f9kMO0wX783yW8saQC9WDx7qHpVGPXsRnld9nY7iwzQA==
+watchpack@2.0.0-beta.13:
+  version "2.0.0-beta.13"
+  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-2.0.0-beta.13.tgz#9d9b0c094b8402139333e04eb6194643c8384f55"
+  integrity sha512-ZEFq2mx/k5qgQwgi6NOm+2ImICb8ngAkA/rZ6oyXZ7SgPn3pncf+nfhYTCrs3lmHwOxnPtGLTOuFLfpSMh1VMA==
   dependencies:
     glob-to-regexp "^0.4.1"
     graceful-fs "^4.1.2"
-    neo-async "^2.5.0"
 
 watchpack@^1.6.0:
   version "1.6.0"