diff --git a/.changeset/new-jars-live.md b/.changeset/new-jars-live.md
new file mode 100644
index 00000000..f8275275
--- /dev/null
+++ b/.changeset/new-jars-live.md
@@ -0,0 +1,5 @@
+---
+'@edge-runtime/cookies': minor
+---
+
+Add cookies partitioned attribute
diff --git a/packages/cookies/src/serialize.ts b/packages/cookies/src/serialize.ts
index fb03e29c..2592b09c 100644
--- a/packages/cookies/src/serialize.ts
+++ b/packages/cookies/src/serialize.ts
@@ -14,6 +14,7 @@ export function stringifyCookie(c: ResponseCookie | RequestCookie): string {
     'secure' in c && c.secure && 'Secure',
     'httpOnly' in c && c.httpOnly && 'HttpOnly',
     'sameSite' in c && c.sameSite && `SameSite=${c.sameSite}`,
+    'partitioned' in c && c.partitioned && 'Partitioned',
     'priority' in c && c.priority && `Priority=${c.priority}`,
   ].filter(Boolean)
 
@@ -63,6 +64,7 @@ export function parseSetCookie(setCookie: string): undefined | ResponseCookie {
     path,
     samesite,
     secure,
+    partitioned,
     priority,
   } = Object.fromEntries(
     attributes.map(([key, value]) => [key.toLowerCase(), value]),
@@ -78,6 +80,7 @@ export function parseSetCookie(setCookie: string): undefined | ResponseCookie {
     ...(samesite && { sameSite: parseSameSite(samesite) }),
     ...(secure && { secure: true }),
     ...(priority && { priority: parsePriority(priority) }),
+    ...(partitioned && { partitioned: true }),
   }
 
   return compact(cookie)
diff --git a/packages/cookies/src/types.ts b/packages/cookies/src/types.ts
index f9df6e3c..fcd4d461 100644
--- a/packages/cookies/src/types.ts
+++ b/packages/cookies/src/types.ts
@@ -7,7 +7,7 @@ import type { CookieSerializeOptions } from 'cookie'
 export interface CookieListItem
   extends Pick<
     CookieSerializeOptions,
-    'domain' | 'path' | 'secure' | 'sameSite'
+    'domain' | 'path' | 'secure' | 'sameSite' | 'partitioned'
   > {
   /** A string with the name of a cookie. */
   name: string
diff --git a/packages/cookies/test/response-cookies.test.ts b/packages/cookies/test/response-cookies.test.ts
index d8928ace..8c341bdd 100644
--- a/packages/cookies/test/response-cookies.test.ts
+++ b/packages/cookies/test/response-cookies.test.ts
@@ -15,6 +15,11 @@ test('reflect .set into `set-cookie`', async () => {
     .set('fooExpires', 'barExpires', { expires: 0 })
     .set('fooExpiresDate', 'barExpiresDate', { expires: new Date(0) })
     .set('fooMaxAge', '', { maxAge: 0 })
+    .set('fooSameSite', 'barSameSite', {
+      sameSite: 'none',
+      partitioned: true,
+      secure: true,
+    })
 
   expect(cookies.get('foo')?.value).toBe('bar')
   expect(cookies.get('fooz')?.value).toBe('barz')
@@ -22,6 +27,7 @@ test('reflect .set into `set-cookie`', async () => {
   expect(cookies.get('fooExpires')?.value).toBe('barExpires')
   expect(cookies.get('fooExpiresDate')?.value).toBe('barExpiresDate')
   expect(cookies.get('fooMaxAge')?.value).toBe('')
+  expect(cookies.get('fooSameSite')?.value).toBe('barSameSite')
 
   const opt1 = cookies.get('foo')
   expect(opt1).toEqual<typeof opt1>({
@@ -58,6 +64,14 @@ test('reflect .set into `set-cookie`', async () => {
     path: '/',
     maxAge: 0,
   })
+  expect(cookies.get('fooSameSite')).toEqual({
+    name: 'fooSameSite',
+    value: 'barSameSite',
+    path: '/',
+    sameSite: 'none',
+    secure: true,
+    partitioned: true,
+  })
 
   expect(headers.getSetCookie()).toEqual([
     'foo=bar; Path=/test',
@@ -66,6 +80,7 @@ test('reflect .set into `set-cookie`', async () => {
     'fooExpires=barExpires; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT',
     'fooExpiresDate=barExpiresDate; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT',
     'fooMaxAge=; Path=/; Max-Age=0',
+    'fooSameSite=barSameSite; Path=/; Secure; SameSite=none; Partitioned',
   ])
 })
 
@@ -81,19 +96,22 @@ it('reflect .set all options attributes into `set-cookie`', async () => {
     httpOnly: true,
     maxAge: 0,
     priority: 'high',
+    partitioned: true,
   })
   const cookiesInHeaders = headers.getSetCookie()
   expect(cookiesInHeaders).toEqual([
-    'first-name=first-value; Path=custom-path; Expires=Thu, 01 Jan 1970 00:00:00 GMT; Max-Age=0; Domain=custom-domain; Secure; HttpOnly; SameSite=strict; Priority=high',
+    'first-name=first-value; Path=custom-path; Expires=Thu, 01 Jan 1970 00:00:00 GMT; Max-Age=0; Domain=custom-domain; Secure; HttpOnly; SameSite=strict; Partitioned; Priority=high',
   ])
 })
 
 describe('`set-cookie` into .get and .getAll', () => {
   test.each([
-    'name=value; Secure; HttpOnly',
-    'name=value; Secure; HttpOnly;',
-    'name=value; HttpOnly; Secure',
-    'name=value; HttpOnly; Secure;',
+    'name=value; Partitioned; Secure; HttpOnly',
+    'name=value; Secure; Partitioned; HttpOnly;',
+    'name=value; Secure; HttpOnly; Partitioned',
+    'name=value; HttpOnly; Partitioned; Secure;',
+    'name=value; Partitioned; Secure; HttpOnly',
+    'name=value; HttpOnly; Partitioned; Secure;',
   ])('parses %s header correctly', (value) => {
     const headers = new Headers()
     headers.set('set-cookie', value)
@@ -106,6 +124,7 @@ describe('`set-cookie` into .get and .getAll', () => {
       value: 'value',
       httpOnly: true,
       secure: true,
+      partitioned: true,
     })
 
     expect(cookies.get('name')).toEqual(all[0])