diff --git a/LibreMetaverse.Rendering.Meshmerizer/LibreMetaverse.Rendering.Meshmerizer.csproj b/LibreMetaverse.Rendering.Meshmerizer/LibreMetaverse.Rendering.Meshmerizer.csproj
index 46cc176e..a8d6f25d 100644
--- a/LibreMetaverse.Rendering.Meshmerizer/LibreMetaverse.Rendering.Meshmerizer.csproj
+++ b/LibreMetaverse.Rendering.Meshmerizer/LibreMetaverse.Rendering.Meshmerizer.csproj
@@ -59,7 +59,7 @@
     <Folder Include="Properties\" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="System.Drawing.Common" Version="5.0.0" />
+    <PackageReference Include="System.Drawing.Common" Version="5.0.2" />
     <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
   </ItemGroup>
   <ItemGroup>
diff --git a/LibreMetaverse.Tests/LibreMetaverse.Tests.csproj b/LibreMetaverse.Tests/LibreMetaverse.Tests.csproj
index 2cc31b14..28768cad 100644
--- a/LibreMetaverse.Tests/LibreMetaverse.Tests.csproj
+++ b/LibreMetaverse.Tests/LibreMetaverse.Tests.csproj
@@ -56,10 +56,10 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
-    <PackageReference Include="NUnit" Version="3.13.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
+    <PackageReference Include="NUnit" Version="3.13.2" />
     <PackageReference Include="NUnit.ConsoleRunner" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.17.0">
+    <PackageReference Include="NUnit3TestAdapter" Version="4.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/LibreMetaverse/LibreMetaverse.csproj b/LibreMetaverse/LibreMetaverse.csproj
index fc4f083f..767241a9 100644
--- a/LibreMetaverse/LibreMetaverse.csproj
+++ b/LibreMetaverse/LibreMetaverse.csproj
@@ -53,8 +53,8 @@
   <ItemGroup>
     <PackageReference Include="log4net" Version="2.0.12" />
     <PackageReference Include="Microsoft.Experimental.Collections" Version="1.0.6-e190117-3" />
-    <PackageReference Include="Microsoft.Extensions.ObjectPool" Version="5.0.2" />
-    <PackageReference Include="System.Drawing.Common" Version="5.0.0" />
+    <PackageReference Include="Microsoft.Extensions.ObjectPool" Version="5.0.7" />
+    <PackageReference Include="System.Drawing.Common" Version="5.0.2" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
     <PackageReference Include="System.Threading.Channels" Version="5.0.0" />
diff --git a/PrimMesher/LibreMetaverse.PrimMesher.csproj b/PrimMesher/LibreMetaverse.PrimMesher.csproj
index b2e9c65c..e3292555 100644
--- a/PrimMesher/LibreMetaverse.PrimMesher.csproj
+++ b/PrimMesher/LibreMetaverse.PrimMesher.csproj
@@ -39,7 +39,7 @@
     <Folder Include="Properties\" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="System.Drawing.Common" Version="5.0.0" />
+    <PackageReference Include="System.Drawing.Common" Version="5.0.2" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\LICENSE.txt">