diff --git a/CHANGELOG.md b/CHANGELOG.md
index 830cccf..b28bd92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [6.2.0] - 2026-04-13
+### Added
+- Added method `facturapi.Organization.UpdateDefaultSeriesAsync` for updating default series
+
 ## [6.1.0] - 2026-04-01
 
 ### Added
diff --git a/Router/OrganizationRouter.cs b/Router/OrganizationRouter.cs
index 2f7b533..fe200ef 100644
--- a/Router/OrganizationRouter.cs
+++ b/Router/OrganizationRouter.cs
@@ -110,6 +110,11 @@ public static string DeleteSeriesGroup (string id, string series_name)
         {
             return $"{RetrieveOrganization(id)}/series-group/{series_name}";
         }
+
+        public static string UpdateDefaultSeries(string organizationId)
+        {
+            return $"{RetrieveOrganization(organizationId)}/series-group/default-series";
+        }
         
         public static string UpdateSelfInvoiceSettings(string organizationId)
         {
diff --git a/Wrappers/IOrganizationWrapper.cs b/Wrappers/IOrganizationWrapper.cs
index b3a9705..07c7c75 100644
--- a/Wrappers/IOrganizationWrapper.cs
+++ b/Wrappers/IOrganizationWrapper.cs
@@ -28,6 +28,7 @@ public interface IOrganizationWrapper
         Task<SeriesGroup> CreateSeriesAsync(string id, Dictionary<string, object> data, CancellationToken cancellationToken = default);
         Task<SeriesGroup> UpdateSeriesAsync(string id, string seriesName, Dictionary<string, object> data, CancellationToken cancellationToken = default);
         Task<SeriesGroup> DeleteSeriesAsync(string id, string seriesName, CancellationToken cancellationToken = default);
+        Task<Organization> UpdateDefaultSeriesAsync(string organizationId, Dictionary<string, object> data, CancellationToken cancellationToken = default);
         Task<List<LiveApiKey>> DeleteLiveApiKeyAsync(string id, string apiKeyId, CancellationToken cancellationToken = default);
         Task<Organization> UpdateSelfInvoiceSettingsAsync(string organizationId, Dictionary<string, object> data, CancellationToken cancellationToken = default);
         Task<List<OrganizationUserAccess>> ListTeamAccessAsync(string organizationId, CancellationToken cancellationToken = default);
diff --git a/Wrappers/OrganizationWrapper.cs b/Wrappers/OrganizationWrapper.cs
index 83ac9c8..e55ebd2 100644
--- a/Wrappers/OrganizationWrapper.cs
+++ b/Wrappers/OrganizationWrapper.cs
@@ -265,6 +265,18 @@ public async Task<SeriesGroup> DeleteSeriesAsync(string id, string seriesName, C
                 return series;
             }
         }
+
+        public async Task<Organization> UpdateDefaultSeriesAsync(string organizationId, Dictionary<string, object> data, CancellationToken cancellationToken = default)
+        {
+            using (var content = new StringContent(JsonConvert.SerializeObject(data), Encoding.UTF8, "application/json"))
+            using (var response = await client.PutAsync(Router.UpdateDefaultSeries(organizationId), content, cancellationToken).ConfigureAwait(false))
+            {
+                await this.ThrowIfErrorAsync(response, cancellationToken).ConfigureAwait(false);
+                var resultString = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
+                var organization = JsonConvert.DeserializeObject<Organization>(resultString, this.jsonSettings);
+                return organization;
+            }
+        }
         
         public async Task<List<LiveApiKey>> DeleteLiveApiKeyAsync(string id, string apiKeyId, CancellationToken cancellationToken = default)
         {
diff --git a/facturapi-net.csproj b/facturapi-net.csproj
index 56456cc..86f641b 100644
--- a/facturapi-net.csproj
+++ b/facturapi-net.csproj
@@ -11,7 +11,7 @@
     <Summary>SDK oficial de Facturapi para .NET para facturación electrónica en México (CFDI), envío de documentos, búsqueda y trazabilidad.</Summary>
     <PackageTags>factura factura-electronica facturacion cfdi cfdi40 sat invoice invoicing facturapi mexico</PackageTags>
     <Title>Facturapi</Title>
-    <Version>6.1.0</Version>
+    <Version>6.2.0</Version>
     <PackageVersion>$(Version)</PackageVersion>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>