diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6752439..66952305 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 5.25.0
+- Add `domains` parameter support to `ClientTokenRequest`
+
 ## 5.24.0
 - Add `UNDER_REVIEW` to `DisputeStatus`
 - Add `DISPUTE_UNDER_REVIEW` to `WebhookKind`
diff --git a/src/Braintree/Braintree.csproj b/src/Braintree/Braintree.csproj
index de0a5e9d..5cc8bc17 100644
--- a/src/Braintree/Braintree.csproj
+++ b/src/Braintree/Braintree.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <Description>Braintree Client Library</Description>
     <Copyright>Copyright © Braintree, a division of PayPal, Inc. 2021</Copyright>
-    <VersionPrefix>5.24.0</VersionPrefix>
+    <VersionPrefix>5.25.0</VersionPrefix>
     <Authors>Braintree</Authors>
     <!-- We target NET standard 2.0 so that we can support NET Core 2.1. When NET Core 2.1 reaches EOL, we can update to Net Standard 2.1 -->
     <TargetFrameworks>net452;netstandard2.0</TargetFrameworks>
@@ -12,12 +12,7 @@
     <PackageId>Braintree</PackageId>
     <PackageTags>braintree;paypal;venmo;intenational;payments;gateway;currencies;money;visa;mastercard;bitcoin;maestro;apple pay;android pay;amex;jcb;diners club;discover;american express</PackageTags>
     <PackageReleaseNotes>
-      - Add `UNDER_REVIEW` to `DisputeStatus`
-      - Add `DISPUTE_UNDER_REVIEW` to `WebhookKind`
-      - Add `DebitNetwork` to `Transaction`
-      - Add `TransactionDebitNetwork` enum to `Transaction`
-      - Add `DebitNetwork` to `TransactionSearchRequest` to search by debitNetworks
-      - Add `ProcessDebitAsCredit` to `TransactionOptionsCreditCardRequest`
+      - Add `domains` parameter support to `ClientTokenRequest`
     </PackageReleaseNotes>
     <PackageProjectUrl>https://github.com/braintree/braintree_dotnet</PackageProjectUrl>
     <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
diff --git a/src/Braintree/ClientTokenRequest.cs b/src/Braintree/ClientTokenRequest.cs
index 549f8d13..59e6dc5f 100644
--- a/src/Braintree/ClientTokenRequest.cs
+++ b/src/Braintree/ClientTokenRequest.cs
@@ -11,9 +11,10 @@ public class ClientTokenRequest : Request
         private readonly int DEFAULT_VERSION = 2;
 
         public string CustomerId { get; set; }
-        public int Version { get; set; }
-        public ClientTokenOptionsRequest Options { get; set; }
+        public string[] Domains { get; set; }
         public string MerchantAccountId { get; set; }
+        public ClientTokenOptionsRequest Options { get; set; }
+        public int Version { get; set; }
 
         public ClientTokenRequest()
         {
@@ -35,9 +36,10 @@ protected virtual RequestBuilder BuildRequest(string root)
             var builder = new RequestBuilder(root);
 
             if (CustomerId != null) builder.AddElement("customer-id", CustomerId);
-            if (Version != 0) builder.AddElement("version", Version);
+            if (Domains != null) builder.AddElement("domains", Domains);
             if (MerchantAccountId != null) builder.AddElement("merchant-account-id", MerchantAccountId);
             if (Options != null) builder.AddElement("options", Options);
+            if (Version != 0) builder.AddElement("version", Version);
 
             return builder;
         }
diff --git a/src/Braintree/Properties/AssemblyInfo.cs b/src/Braintree/Properties/AssemblyInfo.cs
index c9ef7e3a..6fdfb2fd 100644
--- a/src/Braintree/Properties/AssemblyInfo.cs
+++ b/src/Braintree/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("5.24.0.0")]
-[assembly: AssemblyFileVersion("5.24.0.0")]
+[assembly: AssemblyVersion("5.25.0.0")]
+[assembly: AssemblyFileVersion("5.25.0.0")]
diff --git a/src/Braintree/ValidationErrorCode.cs b/src/Braintree/ValidationErrorCode.cs
index 5dd69e23..6639593c 100644
--- a/src/Braintree/ValidationErrorCode.cs
+++ b/src/Braintree/ValidationErrorCode.cs
@@ -75,9 +75,11 @@ public enum ValidationErrorCode
 
         CLIENT_TOKEN_CUSTOMER_DOES_NOT_EXIST = 92804,
         CLIENT_TOKEN_FAIL_ON_DUPLICATE_PAYMENT_METHOD_REQUIRES_CUSTOMER_ID = 92803,
+        CLIENT_TOKEN_INVALID_DOMAIN_FORMAT = 92011,
         CLIENT_TOKEN_MAKE_DEFAULT_REQUIRES_CUSTOMER_ID = 92801,
         CLIENT_TOKEN_MERCHANT_ACCOUNT_DOES_NOT_EXIST = 92807,
         CLIENT_TOKEN_PROXY_MERCHANT_DOES_NOT_EXIST = 92805,
+        CLIENT_TOKEN_TOO_MANY_DOMAINS = 92810,
         CLIENT_TOKEN_UNSUPPORTED_VERSION = 92806,
         CLIENT_TOKEN_VERIFY_CARD_REQUIRES_CUSTOMER_ID = 92802,
 
diff --git a/test/Braintree.Tests.Integration/ClientTokenIntegrationTest.cs b/test/Braintree.Tests.Integration/ClientTokenIntegrationTest.cs
index 0d327d6d..b6e00c95 100644
--- a/test/Braintree.Tests.Integration/ClientTokenIntegrationTest.cs
+++ b/test/Braintree.Tests.Integration/ClientTokenIntegrationTest.cs
@@ -25,6 +25,46 @@ public void Setup()
             };
         }
 
+        [Test]
+        public void Generate_ValidDomainsAccepted()
+        {
+            var ClientTokenRequest = new ClientTokenRequest
+            {
+                Domains = new string[] {"example.com"}
+            };
+            var encodedClientToken = gateway.ClientToken.Generate(ClientTokenRequest);
+            Assert.NotNull(encodedClientToken);
+        }
+
+        [Test]
+        public void Generate_InvalidDomainsNotAccepted()
+        {
+            var ClientTokenRequest = new ClientTokenRequest
+            {
+                Domains = new string[] {"example"}
+            };
+            ArgumentException invalidFormatException = Assert.Throws<ArgumentException>(() =>  gateway.ClientToken.Generate(ClientTokenRequest));
+            Assert.AreEqual(invalidFormatException.Message, "Client token domains must be valid domain names (RFC 1035), e.g. example.com");
+        }
+
+        [Test]
+        public void Generate_TooManyDomainsNotAccepted()
+        {
+            var ClientTokenRequest = new ClientTokenRequest
+            {
+                Domains = new string[] {
+                    "example1.com",
+                    "example2.com",
+                    "example3.com",
+                    "example4.com",
+                    "example5.com",
+                    "example6.com"
+                }
+            };
+            ArgumentException tooManyException = Assert.Throws<ArgumentException>(() =>  gateway.ClientToken.Generate(ClientTokenRequest));
+            Assert.AreEqual(tooManyException.Message, "Cannot specify more than 5 client token domains");
+        }
+
         [Test]
         public void Generate_GeneratesFingerprintAcceptedByGateway()
         {
diff --git a/test/Braintree.Tests/ClientTokenRequestTest.cs b/test/Braintree.Tests/ClientTokenRequestTest.cs
new file mode 100644
index 00000000..ac687693
--- /dev/null
+++ b/test/Braintree.Tests/ClientTokenRequestTest.cs
@@ -0,0 +1,28 @@
+using NUnit.Framework;
+
+using System;
+
+namespace Braintree.Tests
+{
+    [TestFixture]
+    public class ClientTokenRequestTest
+    {
+        [Test]
+        [System.Obsolete]
+        public void ToXml_Includes_All_Values()
+        {
+            var request = new ClientTokenRequest()
+            {
+                CustomerId = "abc123",
+                Domains = new string[] {"example.com"},
+                MerchantAccountId = "987654321",
+                Version = 2
+            };
+
+            Assert.IsTrue(request.ToXml().Contains("<customer-id>abc123</customer-id>"));
+            Assert.IsTrue(request.ToXml().Contains("<domains type=\"array\"><item>example.com</item></domains>"));
+            Assert.IsTrue(request.ToXml().Contains("<merchant-account-id>987654321</merchant-account-id>"));
+            Assert.IsTrue(request.ToXml().Contains("<version>2</version>"));
+        }
+    }
+}
\ No newline at end of file