diff --git a/examples/custom-server-typescript/nodemon.json b/examples/custom-server-typescript/nodemon.json
index 00ea83db9500e..577991988d045 100644
--- a/examples/custom-server-typescript/nodemon.json
+++ b/examples/custom-server-typescript/nodemon.json
@@ -1,5 +1,5 @@
 {
-  "watch": ["server", "static"],
+  "watch": ["server"],
   "exec": "ts-node --project tsconfig.server.json server/index.ts",
   "ext": "js ts"
 }
diff --git a/lerna.json b/lerna.json
index 653287e6c33e3..5da2da3e51ead 100644
--- a/lerna.json
+++ b/lerna.json
@@ -12,5 +12,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.2.3-canary.8"
+  "version": "9.2.3-canary.9"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index a21354c2b1859..36c9869a94b98 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.2.3-canary.8",
+  "version": "9.2.3-canary.9",
   "keywords": [
     "react",
     "next",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index 81fb4aae15774..74c86c06c0e80 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.2.3-canary.8",
+  "version": "9.2.3-canary.9",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index 270ba04414070..2b42ccb65cad7 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.2.3-canary.8",
+  "version": "9.2.3-canary.9",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 95c89aa4efccf..ca37bc53e8075 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.2.3-canary.8",
+  "version": "9.2.3-canary.9",
   "nextjs": {
     "name": "Google Analytics",
     "required-env": [
diff --git a/packages/next-plugin-material-ui/package.json b/packages/next-plugin-material-ui/package.json
index bbbc2a215227f..63a331bd18867 100644
--- a/packages/next-plugin-material-ui/package.json
+++ b/packages/next-plugin-material-ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-material-ui",
-  "version": "9.2.3-canary.8",
+  "version": "9.2.3-canary.9",
   "nextjs": {
     "name": "Material UI",
     "required-env": []
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index f49319e669978..b1347d0d51367 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.2.3-canary.8",
+  "version": "9.2.3-canary.9",
   "nextjs": {
     "name": "Sentry",
     "required-env": [
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index f3e563872b389..407a014f91752 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.2.3-canary.8",
+  "version": "9.2.3-canary.9",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/next-server/server/api-utils.ts b/packages/next/next-server/server/api-utils.ts
index 17c3332bcb83c..340d4babd71f2 100644
--- a/packages/next/next-server/server/api-utils.ts
+++ b/packages/next/next-server/server/api-utils.ts
@@ -414,13 +414,19 @@ function clearPreviewData<T>(res: NextApiResponse<T>): NextApiResponse<T> {
       ? previous
       : []),
     serialize(COOKIE_NAME_PRERENDER_BYPASS, '', {
-      maxAge: 0,
+      // To delete a cookie, set `expires` to a date in the past:
+      // https://tools.ietf.org/html/rfc6265#section-4.1.1
+      // `Max-Age: 0` is not valid, thus ignored, and the cookie is persisted.
+      expires: new Date(0),
       httpOnly: true,
       sameSite: 'strict',
       path: '/',
     }),
     serialize(COOKIE_NAME_PRERENDER_DATA, '', {
-      maxAge: 0,
+      // To delete a cookie, set `expires` to a date in the past:
+      // https://tools.ietf.org/html/rfc6265#section-4.1.1
+      // `Max-Age: 0` is not valid, thus ignored, and the cookie is persisted.
+      expires: new Date(0),
       httpOnly: true,
       sameSite: 'strict',
       path: '/',
diff --git a/packages/next/package.json b/packages/next/package.json
index feb8ff00c485c..b6e5e1f6c7dee 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.2.3-canary.8",
+  "version": "9.2.3-canary.9",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -73,7 +73,7 @@
     "@babel/preset-typescript": "7.7.2",
     "@babel/runtime": "7.7.2",
     "@babel/types": "7.7.4",
-    "@next/polyfill-nomodule": "9.2.3-canary.8",
+    "@next/polyfill-nomodule": "9.2.3-canary.9",
     "amphtml-validator": "1.0.30",
     "async-retry": "1.2.3",
     "async-sema": "3.0.0",
diff --git a/test/integration/prerender-preview/test/index.test.js b/test/integration/prerender-preview/test/index.test.js
index 120be2cef3c59..c7f7058d02557 100644
--- a/test/integration/prerender-preview/test/index.test.js
+++ b/test/integration/prerender-preview/test/index.test.js
@@ -106,6 +106,7 @@ function runTests() {
 
     const cookies = res.headers
       .get('set-cookie')
+      .replace(/(=\w{3}),/g, '$1')
       .split(',')
       .map(cookie.parse)
 
@@ -113,15 +114,17 @@ function runTests() {
     expect(cookies[0]).toMatchObject({
       Path: '/',
       SameSite: 'Strict',
-      'Max-Age': '0',
+      Expires: 'Thu 01 Jan 1970 00:00:00 GMT',
     })
     expect(cookies[0]).toHaveProperty('__prerender_bypass')
+    expect(cookies[0]).not.toHaveProperty('Max-Age')
     expect(cookies[1]).toMatchObject({
       Path: '/',
       SameSite: 'Strict',
-      'Max-Age': '0',
+      Expires: 'Thu 01 Jan 1970 00:00:00 GMT',
     })
     expect(cookies[1]).toHaveProperty('__next_preview_data')
+    expect(cookies[1]).not.toHaveProperty('Max-Age')
   })
 
   /** @type import('next-webdriver').Chain */