diff --git a/GrasshopperAsyncComponent/GrasshopperAsyncComponent.csproj b/GrasshopperAsyncComponent/GrasshopperAsyncComponent.csproj
index 367b052..643ae95 100755
--- a/GrasshopperAsyncComponent/GrasshopperAsyncComponent.csproj
+++ b/GrasshopperAsyncComponent/GrasshopperAsyncComponent.csproj
@@ -45,10 +45,10 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Grasshopper">
-      <Version>6.31.20315.17001</Version>
+      <Version>6.29.20238.11501</Version>
     </PackageReference>
     <PackageReference Include="RhinoCommon">
-      <Version>6.31.20315.17001</Version>
+      <Version>6.29.20238.11501</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/GrasshopperAsyncComponentDemo/GrasshopperAsyncComponentDemo.csproj b/GrasshopperAsyncComponentDemo/GrasshopperAsyncComponentDemo.csproj
index 0f12d45..e35107c 100644
--- a/GrasshopperAsyncComponentDemo/GrasshopperAsyncComponentDemo.csproj
+++ b/GrasshopperAsyncComponentDemo/GrasshopperAsyncComponentDemo.csproj
@@ -55,8 +55,8 @@
     <Compile Include="SampleImplementations\Sample_UslessCyclesComponent.cs" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Grasshopper" Version="6.31.20315.17001" />
-    <PackageReference Include="RhinoCommon" Version="6.31.20315.17001" />
+    <PackageReference Include="Grasshopper" Version="6.29.20238.11501" />
+    <PackageReference Include="RhinoCommon" Version="6.29.20238.11501" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\GrasshopperAsyncComponent\GrasshopperAsyncComponent.csproj">