diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 4ad4862..a3a6139 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -17,7 +17,7 @@
       "rollForward": false
     },
     "dotnet-coverage": {
-      "version": "18.7.0",
+      "version": "18.9.0",
       "commands": [
         "dotnet-coverage"
       ],
diff --git a/Directory.Packages.props b/Directory.Packages.props
index dfc6f3c..683eb33 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -8,7 +8,7 @@
     <PackageVersion Include="KubernetesClient" Version="19.0.2" />
     <PackageVersion Include="MailKit" Version="4.17.0" />
     <PackageVersion Include="Meziantou.Analyzer" Version="3.0.122" />
-    <PackageVersion Include="Microsoft.AgentGovernance" Version="3.7.0" />
+    <PackageVersion Include="Microsoft.AgentGovernance" Version="4.0.0" />
     <PackageVersion Include="Microsoft.Agents.AI" Version="1.13.0" />
     <PackageVersion Include="Microsoft.Agents.AI.A2A" Version="1.13.0-preview.260703.1" />
     <PackageVersion Include="Microsoft.Agents.AI.Hosting.A2A.AspNetCore" Version="1.13.0-preview.260703.1" />
@@ -38,7 +38,7 @@
     <PackageVersion Include="ModelContextProtocol.AspNetCore" Version="1.4.1" />
     <PackageVersion Include="Moq" Version="4.20.72" />
     <PackageVersion Include="Npgsql" Version="10.0.3" />
-    <PackageVersion Include="NSubstitute" Version="5.3.0" />
+    <PackageVersion Include="NSubstitute" Version="6.0.0" />
     <PackageVersion Include="OpenTelemetry" Version="1.16.0" />
     <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.16.0" />
     <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.16.0" />