diff --git a/demo/Authplane.Mcp.Demo.csproj b/demo/Authplane.Mcp.Demo.csproj
index e902a80..472ca79 100644
--- a/demo/Authplane.Mcp.Demo.csproj
+++ b/demo/Authplane.Mcp.Demo.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="ModelContextProtocol.AspNetCore" Version="1.0.0" />
+    <PackageReference Include="ModelContextProtocol.AspNetCore" Version="1.4.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Authplane.Mcp/Authplane.Mcp.csproj b/src/Authplane.Mcp/Authplane.Mcp.csproj
index 488d2ed..de9a75b 100644
--- a/src/Authplane.Mcp/Authplane.Mcp.csproj
+++ b/src/Authplane.Mcp/Authplane.Mcp.csproj
@@ -34,7 +34,7 @@
 
   <ItemGroup>
     <!-- MCP C# SDK - HTTP server and hosting extensions -->
-    <PackageReference Include="ModelContextProtocol.AspNetCore" Version="1.0.0" />
+    <PackageReference Include="ModelContextProtocol.AspNetCore" Version="1.4.1" />
 
     <!-- Core Authplane SDK project (local sibling repo).
          Adjust/remove this when Authplane is published as a NuGet package. -->
diff --git a/src/Authplane/Authplane.csproj b/src/Authplane/Authplane.csproj
index d799759..6ac3988 100644
--- a/src/Authplane/Authplane.csproj
+++ b/src/Authplane/Authplane.csproj
@@ -33,7 +33,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="7.5.1" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="7.7.3" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/Authplane.Mcp.Tests/Authplane.Mcp.Tests.csproj b/tests/Authplane.Mcp.Tests/Authplane.Mcp.Tests.csproj
index 4c79d85..9811066 100644
--- a/tests/Authplane.Mcp.Tests/Authplane.Mcp.Tests.csproj
+++ b/tests/Authplane.Mcp.Tests/Authplane.Mcp.Tests.csproj
@@ -17,17 +17,17 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit" Version="2.9.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="coverlet.collector" Version="6.0.0">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="coverlet.collector" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.msbuild" Version="6.0.0">
+    <PackageReference Include="coverlet.msbuild" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/tests/Authplane.Tests/Authplane.Tests.csproj b/tests/Authplane.Tests/Authplane.Tests.csproj
index 09007a7..6cde28e 100644
--- a/tests/Authplane.Tests/Authplane.Tests.csproj
+++ b/tests/Authplane.Tests/Authplane.Tests.csproj
@@ -9,17 +9,17 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit" Version="2.9.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="coverlet.collector" Version="6.0.0">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="coverlet.collector" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.msbuild" Version="6.0.0">
+    <PackageReference Include="coverlet.msbuild" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>