diff --git a/dotnet/G3DViewer/Ara3D.G3DViewer.csproj b/dotnet/G3DViewer/Ara3D.G3DViewer.csproj
index 294060a..917710e 100644
--- a/dotnet/G3DViewer/Ara3D.G3DViewer.csproj
+++ b/dotnet/G3DViewer/Ara3D.G3DViewer.csproj
@@ -156,7 +156,7 @@
       <Version>2.6.1</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>12.0.2</Version>
+      <Version>13.0.2</Version>
     </PackageReference>
     <PackageReference Include="SharpDX">
       <Version>4.2.0</Version>
diff --git a/dotnet/Utilities/Ara3D.DotNetUtilities.Extra/Ara3D.DotNetUtilities.Json.csproj b/dotnet/Utilities/Ara3D.DotNetUtilities.Extra/Ara3D.DotNetUtilities.Json.csproj
index 1e17ffe..5f14a3e 100644
--- a/dotnet/Utilities/Ara3D.DotNetUtilities.Extra/Ara3D.DotNetUtilities.Json.csproj
+++ b/dotnet/Utilities/Ara3D.DotNetUtilities.Extra/Ara3D.DotNetUtilities.Json.csproj
@@ -46,7 +46,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>12.0.2</Version>
+      <Version>13.0.2</Version>
     </PackageReference>
   </ItemGroup>
   <ItemGroup>