diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index a91ae973da..173eb4793b 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -11,7 +11,7 @@
   </PropertyGroup>
   <ItemGroup>
     <!-- Aspire.* -->
-    <PackageVersion Include="Anthropic" Version="12.13.0" />
+    <PackageVersion Include="Anthropic" Version="12.20.0" />
     <PackageVersion Include="Anthropic.Foundry" Version="0.5.0" />
     <PackageVersion Include="Aspire.Hosting" Version="$(AspireAppHostSdkVersion)" />
     <PackageVersion Include="Aspire.Azure.AI.OpenAI" Version="13.0.0-preview.1.25560.3" />
diff --git a/dotnet/src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj b/dotnet/src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj
index 9f5668c812..3e104855bd 100644
--- a/dotnet/src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <RootNamespace>Microsoft.Agents.AI</RootNamespace>
-    <NoWarn>$(NoWarn);MEAI001</NoWarn>
+    <NoWarn>$(NoWarn);MEAI001;RT0003</NoWarn>
     <IsReleased>true</IsReleased>
   </PropertyGroup>