diff --git a/17-StandardCornellBox/17-StandardCornellBox.csproj b/17-StandardCornellBox/17-StandardCornellBox.csproj
index 0fefa8a..cb0d045 100644
--- a/17-StandardCornellBox/17-StandardCornellBox.csproj
+++ b/17-StandardCornellBox/17-StandardCornellBox.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="SixLabors.ImageSharp" Version="1.0.0-beta0007" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="2.1.7" />
   </ItemGroup>
 
   <ItemGroup>