diff --git a/src/i3dm.export.csproj b/src/i3dm.export.csproj
index c8b5187..6ad2cfb 100644
--- a/src/i3dm.export.csproj
+++ b/src/i3dm.export.csproj
@@ -28,7 +28,8 @@
     <PackageReference Include="i3dm.tile" Version="1.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Npgsql" Version="8.0.2" />
-    <PackageReference Include="SharpGLTF.Toolkit" Version="1.0.0-cesiummetadata3" />
+    <PackageReference Include="SharpGLTF.Ext.3DTiles" Version="1.0.0-alpha0031" />
+    <PackageReference Include="SharpGLTF.Toolkit" Version="1.0.0-alpha0031" />
     <PackageReference Include="ShellProgressBar" Version="5.2.0" />
     <PackageReference Include="subtree" Version="1.4.4" />
     <PackageReference Include="Wkx" Version="0.5.1" />