diff --git a/PianoFromAbove/PianoFromAbove.cpp b/PianoFromAbove/PianoFromAbove.cpp
index a1ca33e..cd55290 100644
--- a/PianoFromAbove/PianoFromAbove.cpp
+++ b/PianoFromAbove/PianoFromAbove.cpp
@@ -25,7 +25,7 @@
 #include "Misc.h"
 
 // Yes, I know you shouldn't store build numbers as doubles
-constexpr double BUILD_VERSION = 20231004;
+constexpr double BUILD_VERSION = 20231004.1;
 
 INT WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, INT nCmdShow );
 DWORD WINAPI GameThread( LPVOID lpParameter );
diff --git a/PianoFromAbove/PianoFromAbove.vcxproj b/PianoFromAbove/PianoFromAbove.vcxproj
index 475b08d..73f928f 100644
--- a/PianoFromAbove/PianoFromAbove.vcxproj
+++ b/PianoFromAbove/PianoFromAbove.vcxproj
@@ -399,8 +399,8 @@
       <ShaderType Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Pixel</ShaderType>
       <ShaderType Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">Pixel</ShaderType>
       <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">5.1</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">6.0</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">6.0</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">5.1</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">5.1</ShaderModel>
       <VariableName Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">g_pBackgroundPixelShader</VariableName>
       <HeaderFileOutput Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(ProjectDir)BackgroundPixelShader.h</HeaderFileOutput>
       <ObjectFileOutput Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -422,8 +422,8 @@
       <ShaderType Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Vertex</ShaderType>
       <ShaderType Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">Vertex</ShaderType>
       <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">5.1</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">6.0</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">6.0</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">5.1</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">5.1</ShaderModel>
       <HeaderFileOutput Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(ProjectDir)BackgroundVertexShader.h</HeaderFileOutput>
       <ObjectFileOutput Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
       </ObjectFileOutput>
@@ -457,8 +457,8 @@
       <VariableName Condition="'$(Configuration)|$(Platform)'=='Release|x64'">g_pNotePixelShader</VariableName>
       <VariableName Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">g_pNotePixelShader</VariableName>
       <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">5.1</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">6.0</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">6.0</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">5.1</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">5.1</ShaderModel>
     </FxCompile>
     <FxCompile Include="note_vs.hlsl">
       <ShaderType Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Vertex</ShaderType>
@@ -480,8 +480,8 @@
       <ObjectFileOutput Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
       </ObjectFileOutput>
       <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">5.1</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">6.0</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">6.0</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">5.1</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">5.1</ShaderModel>
     </FxCompile>
     <FxCompile Include="rect_ps.hlsl">
       <ShaderType Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Pixel</ShaderType>
@@ -503,8 +503,8 @@
       <ObjectFileOutput Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">
       </ObjectFileOutput>
       <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">5.1</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">6.0</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">6.0</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">5.1</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">5.1</ShaderModel>
     </FxCompile>
     <FxCompile Include="rect_vs.hlsl">
       <ShaderType Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Vertex</ShaderType>
@@ -526,8 +526,8 @@
       <ObjectFileOutput Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">
       </ObjectFileOutput>
       <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">5.1</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">6.0</ShaderModel>
-      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">6.0</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='Release|x64'">5.1</ShaderModel>
+      <ShaderModel Condition="'$(Configuration)|$(Platform)'=='ReleaseSSE|x64'">5.1</ShaderModel>
     </FxCompile>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />