diff --git a/projects/ngx-cookie-service-ssr/src/lib/ssr-cookie.service.ts b/projects/ngx-cookie-service-ssr/src/lib/ssr-cookie.service.ts
index e3be187..b95cd19 100644
--- a/projects/ngx-cookie-service-ssr/src/lib/ssr-cookie.service.ts
+++ b/projects/ngx-cookie-service-ssr/src/lib/ssr-cookie.service.ts
@@ -122,12 +122,22 @@ export class SsrCookieService {
    * @param path     Cookie path
    * @param domain   Cookie domain
    * @param secure   Secure flag
-   * @param sameSite OWASP samesite token `Lax`, `None`, or `Strict`. Defaults to `Lax`
+   * @param sameSite OWASP same site token `Lax`, `None`, or `Strict`. Defaults to `Lax`
+   * @param partitioned Partitioned flag
    *
    * @author: Stepan Suvorov
    * @since: 1.0.0
    */
-  set(name: string, value: string, expires?: number | Date, path?: string, domain?: string, secure?: boolean, sameSite?: 'Lax' | 'None' | 'Strict'): void;
+  set(
+    name: string,
+    value: string,
+    expires?: number | Date,
+    path?: string,
+    domain?: string,
+    secure?: boolean,
+    sameSite?: 'Lax' | 'None' | 'Strict',
+    partitioned?: boolean
+  ): void;
 
   /**
    * Set cookie based on provided information
@@ -137,8 +147,8 @@ export class SsrCookieService {
    * expires  Number of days until the cookies expires or an actual `Date`
    * path     Cookie path
    * domain   Cookie domain
-   * secure   Secure flag
-   * sameSite OWASP samesite token `Lax`, `None`, or `Strict`. Defaults to `Lax`
+   * secure Cookie secure flag
+   * sameSite OWASP same site token `Lax`, `None`, or `Strict`. Defaults to `Lax`
    * </pre>
    *
    * @param name     Cookie name
@@ -157,6 +167,7 @@ export class SsrCookieService {
       domain?: string;
       secure?: boolean;
       sameSite?: 'Lax' | 'None' | 'Strict';
+      partitioned?: boolean;
     }
   ): void;
 
@@ -167,7 +178,8 @@ export class SsrCookieService {
     path?: string,
     domain?: string,
     secure?: boolean,
-    sameSite?: 'Lax' | 'None' | 'Strict'
+    sameSite?: 'Lax' | 'None' | 'Strict',
+    partitioned?: boolean
   ): void {
     if (!this.documentIsAccessible) {
       return;
@@ -180,6 +192,7 @@ export class SsrCookieService {
         domain,
         secure,
         sameSite: sameSite ? sameSite : 'Lax',
+        partitioned,
       };
 
       this.set(name, value, optionsBody);
@@ -225,6 +238,10 @@ export class SsrCookieService {
 
     cookieString += 'sameSite=' + options.sameSite + ';';
 
+    if (options.partitioned) {
+      cookieString += 'Partitioned;';
+    }
+
     this.document.cookie = cookieString;
   }
 
diff --git a/projects/ngx-cookie-service/src/lib/cookie.service.spec.ts b/projects/ngx-cookie-service/src/lib/cookie.service.spec.ts
index cd72ff6..58c10f9 100644
--- a/projects/ngx-cookie-service/src/lib/cookie.service.spec.ts
+++ b/projects/ngx-cookie-service/src/lib/cookie.service.spec.ts
@@ -205,7 +205,7 @@ describe('NgxCookieServiceService', () => {
         expect(documentCookieSetterSpy).toHaveBeenCalledWith('foo=bar;domain=example.com;sameSite=Lax;');
       });
       it('should set cookie with secure option', () => {
-        cookieService.set('foo', 'bar', undefined, undefined, undefined, true, 'Lax');
+        cookieService.set('foo', 'bar', undefined, undefined, undefined, true, 'Lax', false);
 
         expect(documentCookieSetterSpy).toHaveBeenCalledWith('foo=bar;secure;sameSite=Lax;');
       });
@@ -215,7 +215,7 @@ describe('NgxCookieServiceService', () => {
         expect(documentCookieSetterSpy).toHaveBeenCalledWith('foo=bar;secure;sameSite=Lax;');
       });
       it('should set cookie with forced secure flag when SameSite option is "None"', () => {
-        cookieService.set('foo', 'bar', undefined, undefined, undefined, false, 'None');
+        cookieService.set('foo', 'bar', undefined, undefined, undefined, false, 'None', false);
 
         expect(documentCookieSetterSpy).toHaveBeenCalledWith('foo=bar;secure;sameSite=None;');
       });
@@ -225,7 +225,7 @@ describe('NgxCookieServiceService', () => {
         expect(documentCookieSetterSpy).toHaveBeenCalledWith('foo=bar;secure;sameSite=None;');
       });
       it('should set cookie with SameSite option', () => {
-        cookieService.set('foo', 'bar', undefined, undefined, undefined, false, 'Strict');
+        cookieService.set('foo', 'bar', undefined, undefined, undefined, false, 'Strict', false);
 
         expect(documentCookieSetterSpy).toHaveBeenCalledWith('foo=bar;sameSite=Strict;');
       });
@@ -236,12 +236,21 @@ describe('NgxCookieServiceService', () => {
       });
       it('should set cookie with all options', () => {
         const expiresDate = new Date('Mon, 15 Mar 2021 10:00:00 GMT');
-        cookieService.set('foo', 'bar', expiresDate, '/test', 'example.com', true, 'Strict');
+        cookieService.set('foo', 'bar', expiresDate, '/test', 'example.com', true, 'Strict', false);
 
         expect(documentCookieSetterSpy).toHaveBeenCalledWith(
           'foo=bar;expires=Mon, 15 Mar 2021 10:00:00 GMT;path=/test;domain=example.com;secure;sameSite=Strict;'
         );
       });
+      it('should set cookie with partitioned', () => {
+        const expiresDate = new Date('Mon, 15 Mar 2021 10:00:00 GMT');
+        cookieService.set('foo', 'bar', expiresDate, '/test', 'example.com', true, 'Strict', true);
+
+        expect(documentCookieSetterSpy).toHaveBeenCalledWith(
+          'foo=bar;expires=Mon, 15 Mar 2021 10:00:00 GMT;path=/test;domain=example.com;secure;sameSite=Strict;Partitioned;'
+        );
+      });
+
       it('should set cookie with all options in options body', () => {
         const expiresDate = new Date('Mon, 15 Mar 2021 10:00:00 GMT');
 
diff --git a/projects/ngx-cookie-service/src/lib/cookie.service.ts b/projects/ngx-cookie-service/src/lib/cookie.service.ts
index 7cd5157..20e0463 100644
--- a/projects/ngx-cookie-service/src/lib/cookie.service.ts
+++ b/projects/ngx-cookie-service/src/lib/cookie.service.ts
@@ -13,6 +13,7 @@ export interface CookieOptions {
   domain?: string;
   secure?: boolean;
   sameSite?: SameSite;
+  partitioned?: boolean;
 }
 
 @Injectable({
@@ -138,7 +139,8 @@ export class CookieService {
    * @param path     Cookie path
    * @param domain   Cookie domain
    * @param secure   Secure flag
-   * @param sameSite OWASP samesite token `Lax`, `None`, or `Strict`. Defaults to `Lax`
+   * @param partitioned Partitioned flag
+   * @param sameSite OWASP same site token `Lax`, `None`, or `Strict`. Defaults to `Lax`
    *
    * @author: Stepan Suvorov
    * @since: 1.0.0
@@ -150,7 +152,8 @@ export class CookieService {
     path?: CookieOptions['path'],
     domain?: CookieOptions['domain'],
     secure?: CookieOptions['secure'],
-    sameSite?: SameSite
+    sameSite?: SameSite,
+    partitioned?: CookieOptions['partitioned']
   ): void;
 
   /**
@@ -161,8 +164,8 @@ export class CookieService {
    * expires  Number of days until the cookies expires or an actual `Date`
    * path     Cookie path
    * domain   Cookie domain
-   * secure   Secure flag
-   * sameSite OWASP samesite token `Lax`, `None`, or `Strict`. Defaults to `Lax`
+   * secure flag
+   * sameSite OWASP same site token `Lax`, `None`, or `Strict`. Defaults to `Lax`
    * </pre>
    *
    * @param name     Cookie name
@@ -181,7 +184,8 @@ export class CookieService {
     path?: CookieOptions['path'],
     domain?: CookieOptions['domain'],
     secure?: CookieOptions['secure'],
-    sameSite?: SameSite
+    sameSite?: SameSite,
+    partitioned?: CookieOptions['partitioned']
   ): void {
     if (!this.documentIsAccessible) {
       return;
@@ -194,6 +198,7 @@ export class CookieService {
         domain,
         secure,
         sameSite: sameSite ? sameSite : 'Lax',
+        partitioned,
       };
 
       this.set(name, value, optionsBody);
@@ -239,6 +244,10 @@ export class CookieService {
 
     cookieString += 'sameSite=' + options.sameSite + ';';
 
+    if (options.partitioned) {
+      cookieString += 'Partitioned;';
+    }
+
     this.document.cookie = cookieString;
   }