diff --git a/dotnet/src/webdriver/BiDi/Network/Cookie.cs b/dotnet/src/webdriver/BiDi/Network/Cookie.cs
index 7b17f0c48dcbc..226f03ec36e64 100644
--- a/dotnet/src/webdriver/BiDi/Network/Cookie.cs
+++ b/dotnet/src/webdriver/BiDi/Network/Cookie.cs
@@ -32,5 +32,6 @@ public enum SameSite
 {
     Strict,
     Lax,
-    None
+    None,
+    Default
 }
diff --git a/java/src/org/openqa/selenium/bidi/network/Cookie.java b/java/src/org/openqa/selenium/bidi/network/Cookie.java
index 9a81e97791356..726c04a72aff4 100644
--- a/java/src/org/openqa/selenium/bidi/network/Cookie.java
+++ b/java/src/org/openqa/selenium/bidi/network/Cookie.java
@@ -25,7 +25,8 @@ public class Cookie {
   public enum SameSite {
     STRICT("strict"),
     LAX("lax"),
-    NONE("none");
+    NONE("none"),
+    DEFAULT("default");
 
     private final String type;
 
diff --git a/javascript/selenium-webdriver/bidi/networkTypes.js b/javascript/selenium-webdriver/bidi/networkTypes.js
index 286d040e5b078..57e2f56f34895 100644
--- a/javascript/selenium-webdriver/bidi/networkTypes.js
+++ b/javascript/selenium-webdriver/bidi/networkTypes.js
@@ -26,6 +26,7 @@ const SameSite = {
   STRICT: 'strict',
   LAX: 'lax',
   NONE: 'none',
+  DEFAULT: 'default',
 
   findByName(name) {
     return (
diff --git a/py/selenium/webdriver/common/bidi/storage.py b/py/selenium/webdriver/common/bidi/storage.py
index 4404baca7a66a..22d0c7d1aef7f 100644
--- a/py/selenium/webdriver/common/bidi/storage.py
+++ b/py/selenium/webdriver/common/bidi/storage.py
@@ -26,6 +26,7 @@ class SameSite:
     STRICT = "strict"
     LAX = "lax"
     NONE = "none"
+    DEFAULT = "default"
 
 
 class BytesValue: