diff --git a/MatterControlLib/MatterControlLib.csproj b/MatterControlLib/MatterControlLib.csproj
index 9f1b6e712..a79014306 100644
--- a/MatterControlLib/MatterControlLib.csproj
+++ b/MatterControlLib/MatterControlLib.csproj
@@ -91,7 +91,7 @@
     <PackageReference Include="Lucene.Net.Analysis.Common" Version="4.8.0-beta00005" />
     <PackageReference Include="Lucene.Net.QueryParser" Version="4.8.0-beta00005" />
     <PackageReference Include="Markdig" Version="0.15.2" />
-    <PackageReference Include="MIConvexHull" Version="1.1.18.1016" />
+    <PackageReference Include="MIConvexHull" Version="1.1.19.1019" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.1.1" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 5726ddddb..3298dfc8d 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 5726ddddb950503734678659e2e2e99829a0230d
+Subproject commit 3298dfc8dda49d127473203f63144d900b5edd13