diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index de0efb2eb5..e27915312d 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -27,6 +27,7 @@
     <PackageVersion Include="Azure.Monitor.OpenTelemetry.Exporter" Version="1.4.0" />
     <!-- Google Gemini  -->
     <PackageVersion Include="Google.GenAI" Version="0.11.0" />
+    <PackageVersion Include="Microsoft.Bcl.Memory" Version="10.0.4" />
     <PackageVersion Include="Mscc.GenerativeAI.Microsoft" Version="2.9.3" />
     <!-- Microsoft.Azure.* -->
     <PackageVersion Include="Microsoft.Azure.Cosmos" Version="3.54.0" />