diff --git a/.github/workflows/build-own-sample.yml b/.github/workflows/build-own-sample.yml
index b74d00d2..6de25a6d 100644
--- a/.github/workflows/build-own-sample.yml
+++ b/.github/workflows/build-own-sample.yml
@@ -5,12 +5,16 @@ on:
     branches:
       - main
     paths:
+      - '*.sln'
+      - '*.slnx'
       - 'samples/OwinSample/**'
       - 'Directory.*.props'
   pull_request:
     branches:
       - main
     paths:
+      - '*.sln'
+      - '*.slnx'
       - 'samples/OwinSample/**'
       - 'Directory.*.props'
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7ed811ed..76720b9d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,6 +6,8 @@ on:
       - main
     paths:
       - '.config/**'
+      - '*.sln'
+      - '*.slnx'
       - 'src/**'
       - 'test/**'
       - 'Directory.*.props'
@@ -14,6 +16,8 @@ on:
       - main
     paths:
       - '.config/**'
+      - '*.sln'
+      - '*.slnx'
       - 'src/**'
       - 'test/**'
       - 'Directory.*.props'
diff --git a/CAS.slnx b/CAS.slnx
new file mode 100644
index 00000000..204000b4
--- /dev/null
+++ b/CAS.slnx
@@ -0,0 +1,36 @@
+<Solution>
+  <Folder Name="/samples/">
+    <Project Path="samples\AspNetCoreIdentitySample\AspNetCoreIdentitySample.csproj" />
+    <Project Path="samples\AspNetCoreMvcSample\AspNetCoreMvcSample.csproj" Type="Classic C#" />
+    <Project Path="samples\AspNetCoreReactSample\AspNetCoreReactSample.csproj" />
+    <Project Path="samples\AspNetCoreSample\AspNetCoreSample.csproj" />
+    <Project Path="samples\BlazorSample\BlazorSample.csproj" Type="Classic C#" />
+    <Project Path="samples\OwinSample\OwinSample.csproj" Type="Classic C#">
+      <Configuration Solution="Debug|Any CPU" Project="Debug|Any CPU|NoBuild" />
+      <Configuration Solution="Release|Any CPU" Project="Release|Any CPU|NoBuild" />
+    </Project>
+    <File Path="samples\Directory.Build.props" />
+  </Folder>
+  <Folder Name="/Solution Items/">
+    <File Path=".config\dotnet-tools.json" />
+    <File Path=".editorconfig" />
+    <File Path=".gitignore" />
+    <File Path=".github\dependabot.yml" />
+    <File Path="Directory.Build.props" />
+    <File Path="Directory.Packages.props" />
+    <File Path="README.md" />
+  </Folder>
+  <Folder Name="/src/">
+    <Project Path="src\GSS.Authentication.CAS.AspNetCore\GSS.Authentication.CAS.AspNetCore.csproj" />
+    <Project Path="src\GSS.Authentication.CAS.Core\GSS.Authentication.CAS.Core.csproj" />
+    <Project Path="src\GSS.Authentication.CAS.Owin\GSS.Authentication.CAS.Owin.csproj" />
+    <File Path="src\Directory.Build.props" />
+  </Folder>
+  <Folder Name="/test/">
+    <Project Path="test\GSS.Authentication.CAS.AspNetCore.Tests\GSS.Authentication.CAS.AspNetCore.Tests.csproj" />
+    <Project Path="test\GSS.Authentication.CAS.Core.Tests\GSS.Authentication.CAS.Core.Tests.csproj" />
+    <Project Path="test\GSS.Authentication.CAS.Owin.Tests\GSS.Authentication.CAS.Owin.Tests.csproj" />
+    <Project Path="test\GSS.Authentication.CAS.Testing\GSS.Authentication.CAS.Testing.csproj" />
+    <File Path="test\Directory.Build.props" />
+  </Folder>
+</Solution>
\ No newline at end of file