diff --git a/src/ClaudeDo.Installer/App.xaml.cs b/src/ClaudeDo.Installer/App.xaml.cs
index fd282fb..bb06f73 100644
--- a/src/ClaudeDo.Installer/App.xaml.cs
+++ b/src/ClaudeDo.Installer/App.xaml.cs
@@ -2,6 +2,7 @@ using System.Net.Http;
 using System.Reflection;
 using System.Windows;
 using ClaudeDo.Installer.Core;
+using ClaudeDo.Releases;
 using ClaudeDo.Installer.Pages.InstallPage;
 using ClaudeDo.Installer.Pages.PathsPage;
 using ClaudeDo.Installer.Pages.ServicePage;
diff --git a/src/ClaudeDo.Installer/Core/InstallModeDetector.cs b/src/ClaudeDo.Installer/Core/InstallModeDetector.cs
index 574d300..1ddec3d 100644
--- a/src/ClaudeDo.Installer/Core/InstallModeDetector.cs
+++ b/src/ClaudeDo.Installer/Core/InstallModeDetector.cs
@@ -1,3 +1,5 @@
+using ClaudeDo.Releases;
+
 namespace ClaudeDo.Installer.Core;
 
 public sealed record DetectedState(
diff --git a/src/ClaudeDo.Installer/Steps/DownloadAndExtractStep.cs b/src/ClaudeDo.Installer/Steps/DownloadAndExtractStep.cs
index aa97f78..515c54d 100644
--- a/src/ClaudeDo.Installer/Steps/DownloadAndExtractStep.cs
+++ b/src/ClaudeDo.Installer/Steps/DownloadAndExtractStep.cs
@@ -1,6 +1,7 @@
 using System.IO;
 using System.IO.Compression;
 using ClaudeDo.Installer.Core;
+using ClaudeDo.Releases;
 
 namespace ClaudeDo.Installer.Steps;
 
diff --git a/src/ClaudeDo.Installer/Views/SettingsViewModel.cs b/src/ClaudeDo.Installer/Views/SettingsViewModel.cs
index 60afb58..f79119d 100644
--- a/src/ClaudeDo.Installer/Views/SettingsViewModel.cs
+++ b/src/ClaudeDo.Installer/Views/SettingsViewModel.cs
@@ -1,5 +1,6 @@
 using System.Windows;
 using ClaudeDo.Installer.Core;
+using ClaudeDo.Releases;
 using ClaudeDo.Installer.Steps;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
diff --git a/src/ClaudeDo.Installer/Core/ChecksumVerifier.cs b/src/ClaudeDo.Releases/ChecksumVerifier.cs
similarity index 97%
rename from src/ClaudeDo.Installer/Core/ChecksumVerifier.cs
rename to src/ClaudeDo.Releases/ChecksumVerifier.cs
index b2835a1..d94955c 100644
--- a/src/ClaudeDo.Installer/Core/ChecksumVerifier.cs
+++ b/src/ClaudeDo.Releases/ChecksumVerifier.cs
@@ -1,7 +1,7 @@
 using System.IO;
 using System.Security.Cryptography;
 
-namespace ClaudeDo.Installer.Core;
+namespace ClaudeDo.Releases;
 
 public static class ChecksumVerifier
 {
diff --git a/src/ClaudeDo.Installer/Core/IReleaseClient.cs b/src/ClaudeDo.Releases/IReleaseClient.cs
similarity index 92%
rename from src/ClaudeDo.Installer/Core/IReleaseClient.cs
rename to src/ClaudeDo.Releases/IReleaseClient.cs
index 8c82449..96dd10b 100644
--- a/src/ClaudeDo.Installer/Core/IReleaseClient.cs
+++ b/src/ClaudeDo.Releases/IReleaseClient.cs
@@ -1,4 +1,4 @@
-namespace ClaudeDo.Installer.Core;
+namespace ClaudeDo.Releases;
 
 public sealed record ReleaseAsset(string Name, string BrowserDownloadUrl, long Size);
 
diff --git a/src/ClaudeDo.Installer/Core/ReleaseClient.cs b/src/ClaudeDo.Releases/ReleaseClient.cs
similarity index 98%
rename from src/ClaudeDo.Installer/Core/ReleaseClient.cs
rename to src/ClaudeDo.Releases/ReleaseClient.cs
index 78550dd..160845d 100644
--- a/src/ClaudeDo.Installer/Core/ReleaseClient.cs
+++ b/src/ClaudeDo.Releases/ReleaseClient.cs
@@ -2,7 +2,7 @@ using System.IO;
 using System.Net.Http;
 using System.Text.Json;
 
-namespace ClaudeDo.Installer.Core;
+namespace ClaudeDo.Releases;
 
 public sealed class ReleaseClient : IReleaseClient
 {