diff --git a/src/generator/Spillgebees.Transmodel.Generator/Configuration/NetexDefaults.cs b/src/generator/Spillgebees.Transmodel.Generator/Configuration/NetexDefaults.cs
index 2744d3b..5519f55 100644
--- a/src/generator/Spillgebees.Transmodel.Generator/Configuration/NetexDefaults.cs
+++ b/src/generator/Spillgebees.Transmodel.Generator/Configuration/NetexDefaults.cs
@@ -12,11 +12,11 @@ public static class NetexDefaults
     public const string SiriSubNamespace = "SIRI";
 
     public const string GitHubArchiveUrlTemplate =
-        "https://github.com/NeTEx-CEN/NeTEx/archive/refs/tags/{0}.tar.gz";
+        "https://github.com/TransmodelEcosystem/NeTEx/archive/refs/tags/{0}.tar.gz";
     public const string GitHubArchiveRefUrlTemplate =
-        "https://github.com/NeTEx-CEN/NeTEx/archive/{0}.tar.gz";
+        "https://github.com/TransmodelEcosystem/NeTEx/archive/{0}.tar.gz";
     public const string GitHubApiTagsUrl =
-        "https://api.github.com/repos/NeTEx-CEN/NeTEx/tags";
+        "https://api.github.com/repos/TransmodelEcosystem/NeTEx/tags";
 
     public const string PublicationSchemaFileName = "NeTEx_publication.xsd";
     public const string SiriSchemaFileName = "NeTEx_siri.xsd";
diff --git a/src/generator/Spillgebees.Transmodel.Generator/Configuration/SiriDefaults.cs b/src/generator/Spillgebees.Transmodel.Generator/Configuration/SiriDefaults.cs
index 102ddd5..dc3bb3e 100644
--- a/src/generator/Spillgebees.Transmodel.Generator/Configuration/SiriDefaults.cs
+++ b/src/generator/Spillgebees.Transmodel.Generator/Configuration/SiriDefaults.cs
@@ -18,11 +18,11 @@ public static class SiriDefaults
     public const string WsdlSubNamespace = "WSDL";
 
     public const string GitHubArchiveUrlTemplate =
-        "https://github.com/SIRI-CEN/SIRI/archive/refs/tags/{0}.tar.gz";
+        "https://github.com/TransmodelEcosystem/SIRI/archive/refs/tags/{0}.tar.gz";
     public const string GitHubArchiveRefUrlTemplate =
-        "https://github.com/SIRI-CEN/SIRI/archive/{0}.tar.gz";
+        "https://github.com/TransmodelEcosystem/SIRI/archive/{0}.tar.gz";
     public const string GitHubApiTagsUrl =
-        "https://api.github.com/repos/SIRI-CEN/SIRI/tags";
+        "https://api.github.com/repos/TransmodelEcosystem/SIRI/tags";
 
     public const string MainSchemaFileName = "siri.xsd";
 
diff --git a/src/generator/Spillgebees.Transmodel.Generator/Spillgebees.Transmodel.Generator.csproj b/src/generator/Spillgebees.Transmodel.Generator/Spillgebees.Transmodel.Generator.csproj
index f91ac0d..e1d6634 100644
--- a/src/generator/Spillgebees.Transmodel.Generator/Spillgebees.Transmodel.Generator.csproj
+++ b/src/generator/Spillgebees.Transmodel.Generator/Spillgebees.Transmodel.Generator.csproj
@@ -11,7 +11,7 @@
     <!-- NuGet metadata -->
     <Authors>Jason Rebelo Neves (igotinfected)</Authors>
     <Company>Spillgebees</Company>
-    <Description>CLI tool for generating C# XML bindings from NeTEx (Network Timetable Exchange) and SIRI (Service Interface for Real-time Information) XSD schemas. Downloads schemas from the official NeTEx-CEN and SIRI-CEN repositories and generates modern C# XML bindings using XmlSchemaClassGenerator.</Description>
+    <Description>CLI tool for generating C# XML bindings from NeTEx (Network Timetable Exchange) and SIRI (Service Interface for Real-time Information) XSD schemas. Downloads schemas from the official TransmodelEcosystem repositories and generates modern C# XML bindings using XmlSchemaClassGenerator.</Description>
     <PackageTags>netex;siri;public-transport;xml;schema;code-generation;dotnet-tool</PackageTags>
     <PackageLicenseExpression>EUPL-1.2</PackageLicenseExpression>
     <PackageIcon>spillgebees.png</PackageIcon>
diff --git a/src/netex/Spillgebees.NeTEx.Models.Tests/Smoke/VersionSmokeTests.cs b/src/netex/Spillgebees.NeTEx.Models.Tests/Smoke/VersionSmokeTests.cs
index f565428..de612f4 100644
--- a/src/netex/Spillgebees.NeTEx.Models.Tests/Smoke/VersionSmokeTests.cs
+++ b/src/netex/Spillgebees.NeTEx.Models.Tests/Smoke/VersionSmokeTests.cs
@@ -23,7 +23,7 @@ namespace Spillgebees.NeTEx.Models.Tests.Smoke;
 
 /// <summary>
 /// Smoke tests verifying that core types exist and have correct XML namespace metadata
-/// for each supported NeTEx version (tags from the NeTEx-CEN/NeTEx GitHub repository).
+/// for each supported NeTEx version (tags from the TransmodelEcosystem/NeTEx GitHub repository).
 /// </summary>
 public class VersionSmokeTests
 {
diff --git a/src/siri/Spillgebees.SIRI.Models.Tests/Smoke/VersionSmokeTests.cs b/src/siri/Spillgebees.SIRI.Models.Tests/Smoke/VersionSmokeTests.cs
index cce3733..96957c4 100644
--- a/src/siri/Spillgebees.SIRI.Models.Tests/Smoke/VersionSmokeTests.cs
+++ b/src/siri/Spillgebees.SIRI.Models.Tests/Smoke/VersionSmokeTests.cs
@@ -17,7 +17,7 @@ namespace Spillgebees.SIRI.Models.Tests.Smoke;
 
 /// <summary>
 /// Smoke tests verifying that core types exist and have correct XML namespace metadata
-/// for each supported SIRI version (tags from the SIRI-CEN/SIRI GitHub repository).
+/// for each supported SIRI version (tags from the TransmodelEcosystem/SIRI GitHub repository).
 /// </summary>
 public class VersionSmokeTests
 {