diff --git a/LibreMetaverse.Tests/LibreMetaverse.Tests.csproj b/LibreMetaverse.Tests/LibreMetaverse.Tests.csproj
index f095c761..fe7d3547 100644
--- a/LibreMetaverse.Tests/LibreMetaverse.Tests.csproj
+++ b/LibreMetaverse.Tests/LibreMetaverse.Tests.csproj
@@ -56,7 +56,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit.ConsoleRunner" Version="3.10.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.16.1">
diff --git a/LibreMetaverse/LibreMetaverse.csproj b/LibreMetaverse/LibreMetaverse.csproj
index df84d71f..0b9e64d7 100644
--- a/LibreMetaverse/LibreMetaverse.csproj
+++ b/LibreMetaverse/LibreMetaverse.csproj
@@ -58,7 +58,7 @@
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
     <PackageReference Include="System.Threading.Channels" Version="4.7.0" />
-    <PackageReference Include="XmlRpcCore" Version="3.1.1.74" />
+    <PackageReference Include="XmlRpcCore" Version="3.1.2.77" />
     <PackageReference Include="zlib.net-mutliplatform" Version="1.0.4" />
   </ItemGroup>
   <ItemGroup>
diff --git a/Programs/GridProxy/GridProxy.csproj b/Programs/GridProxy/GridProxy.csproj
index 3c8eedaa..336092f6 100644
--- a/Programs/GridProxy/GridProxy.csproj
+++ b/Programs/GridProxy/GridProxy.csproj
@@ -51,7 +51,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="log4net" Version="2.0.8" />
-    <PackageReference Include="XmlRpcCore" Version="3.1.1.74" />
+    <PackageReference Include="XmlRpcCore" Version="3.1.2.77" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\LibreMetaverseTypes\LibreMetaverse.Types.csproj" />