diff --git a/DemoRenderer.GL/DemoRenderer.csproj b/DemoRenderer.GL/DemoRenderer.csproj
old mode 100644
new mode 100755
index 658c2ffd..2f25a39f
--- a/DemoRenderer.GL/DemoRenderer.csproj
+++ b/DemoRenderer.GL/DemoRenderer.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <LangVersion>latest</LangVersion>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
   </PropertyGroup>
diff --git a/Demos.GL/Demos.csproj b/Demos.GL/Demos.csproj
old mode 100644
new mode 100755
index c796aad4..f4d9b1c9
--- a/Demos.GL/Demos.csproj
+++ b/Demos.GL/Demos.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
     <Configurations>Debug;Release</Configurations>
     <LangVersion>latest</LangVersion>