diff --git a/Tetris.csproj b/Tetris.csproj
index f60d261..b6ede59 100644
--- a/Tetris.csproj
+++ b/Tetris.csproj
@@ -9,6 +9,8 @@
     </PropertyGroup>
 
     <ItemGroup>
+      <PackageReference Include="Pastel" Version="3.0.0" />
+      <PackageReference Include="WriteableBitmapEx" Version="1.6.8" />
         <None Remove="Resources\tetris.png" />
         <Resource Include="Resources\tetris.png">
           <CopyToOutputDirectory>Always</CopyToOutputDirectory>