diff --git a/Directory.Packages.props b/Directory.Packages.props
index b2ff25ad569..9ca472ca3c8 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -157,8 +157,8 @@
   <ItemGroup>
     <!-- dotnet/extensions dependencies ** Common between net8 and net9 ** -->
     <PackageVersion Include="Microsoft.Extensions.AI" Version="$(MicrosoftExtensionsAIVersion)" />
-    <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="$(MicrosoftExtensionsAIVersion)" />
-    <PackageVersion Include="Microsoft.Extensions.AI.AzureAIInference" Version="$(MicrosoftExtensionsAIVersion)" />
+    <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="9.5.0-preview.1.25265.7" />
+    <PackageVersion Include="Microsoft.Extensions.AI.AzureAIInference" Version="9.5.0-preview.1.25265.7" />
     <PackageVersion Include="Microsoft.Extensions.Diagnostics.Testing" Version="$(MicrosoftExtensionsDiagnosticsTestingVersion)" />
     <PackageVersion Include="Microsoft.Extensions.Http.Resilience" Version="$(MicrosoftExtensionsHttpResilienceVersion)" />
     <PackageVersion Include="Microsoft.Extensions.TimeProvider.Testing" Version="$(MicrosoftExtensionsTimeProviderTestingVersion)" />
diff --git a/NuGet.config b/NuGet.config
index 6e8f29831e0..057459c756f 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -17,6 +17,7 @@
     <add key="dotnet9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet9/nuget/v3/index.json" />
     <add key="dotnet-libraries" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-libraries/nuget/v3/index.json" />
     <add key="dotnet9-transport" value="https://dnceng.pkgs.visualstudio.com/public/_packaging/dotnet9-transport/nuget/v3/index.json" />
+    <add key="dotnet-extensions" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-extensions-988e9ee7/nuget/v3/index.json" />
   </packageSources>
   <packageSourceMapping>
     <packageSource key="dotnet9-transport">
@@ -38,6 +39,9 @@
     <packageSource key="dotnet-eng">
       <package pattern="*" />
     </packageSource>
+    <packageSource key="dotnet-extensions">
+      <package pattern="Microsoft.Extensions.AI*" />
+    </packageSource>
   </packageSourceMapping>
   <disabledPackageSources>
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
diff --git a/eng/Versions.props b/eng/Versions.props
index 3b99a608bde..9bb2f5d6862 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -38,7 +38,7 @@
     <MicrosoftDotNetBuildTasksInstallersVersion>9.0.0-beta.25225.6</MicrosoftDotNetBuildTasksInstallersVersion>
     <MicrosoftDotNetBuildTasksWorkloadsVersion>9.0.0-beta.25225.6</MicrosoftDotNetBuildTasksWorkloadsVersion>
     <!-- dotnet/extensions -->
-    <MicrosoftExtensionsAIVersion>9.4.4-preview.1.25259.16</MicrosoftExtensionsAIVersion>
+    <MicrosoftExtensionsAIVersion>9.5.0</MicrosoftExtensionsAIVersion>
     <!-- when updating this, also update cgmanifest.json as it is consumed in templates -->
     <MicrosoftExtensionsHttpResilienceVersion>9.4.0</MicrosoftExtensionsHttpResilienceVersion>
     <MicrosoftExtensionsDiagnosticsTestingVersion>9.4.0</MicrosoftExtensionsDiagnosticsTestingVersion>