diff --git a/Pilz.Drawing.Drawing3D.OpenGLRenderer/Pilz.Drawing.Drawing3D.OpenGLFactory.vbproj b/Pilz.Drawing.Drawing3D.OpenGLRenderer/Pilz.Drawing.Drawing3D.OpenGLFactory.vbproj
index 496e942..1977854 100644
--- a/Pilz.Drawing.Drawing3D.OpenGLRenderer/Pilz.Drawing.Drawing3D.OpenGLFactory.vbproj
+++ b/Pilz.Drawing.Drawing3D.OpenGLRenderer/Pilz.Drawing.Drawing3D.OpenGLFactory.vbproj
@@ -26,11 +26,11 @@
     <OptionInfer>On</OptionInfer>
   </PropertyGroup>
   <PropertyGroup>
-    <Version>2.0.3</Version>
+    <Version>2.0.4</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="OpenTK.Input" Version="4.9.4" />
-    <PackageReference Include="OpenTK.WinForms" Version="4.0.0-pre.6" />
+    <PackageReference Include="OpenTK.GLControl" Version="4.0.2" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="OpenTK" Version="4.9.4" />
diff --git a/Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb b/Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb
index 5687635..09a00f0 100644
--- a/Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb
+++ b/Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb
@@ -17,7 +17,7 @@ Imports System.Windows.Forms
 
 Imports OpenTK.Graphics.OpenGL
 Imports OpenTK.Mathematics
-Imports OpenTK.WinForms
+Imports OpenTK.GLControl
 
 Imports Pilz.Drawing.Drawing3D.OpenGLFactory.CameraN
 Imports Pilz.Drawing.Drawing3D.OpenGLFactory.RenderingN