diff --git a/PCK-Studio/Internal/GameModelInfo.cs b/PCK-Studio/Internal/GameModelInfo.cs
index b517abab..22bbef6b 100644
--- a/PCK-Studio/Internal/GameModelInfo.cs
+++ b/PCK-Studio/Internal/GameModelInfo.cs
@@ -3,7 +3,7 @@ using OMI.Formats.Model;
 
 namespace PckStudio.Internal
 {
-    internal class GameModelInfo
+    internal sealed class GameModelInfo
     {
         public Model Model { get; }