diff --git a/InputDialog/InputDialog.cs b/InputDialog/InputDialog.cs
index e5cc498..0b4154b 100644
--- a/InputDialog/InputDialog.cs
+++ b/InputDialog/InputDialog.cs
@@ -1,6 +1,7 @@
 //Acknowledging origin of this code
 //https://www.codeproject.com/tips/822756/input-box-in-csharp-for-windowsforms
 //It has been modified significantly, converted to .net 6 and turned into a nuget package.
+//As of 20250821 - Updated to .net 9 and C# 13
 
 using InputDialog.Utilities;
 
diff --git a/InputDialog/InputDialog.csproj b/InputDialog/InputDialog.csproj
index b3168a8..c3d39a0 100644
--- a/InputDialog/InputDialog.csproj
+++ b/InputDialog/InputDialog.csproj
@@ -1,12 +1,12 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFramework>net6.0-windows</TargetFramework>
+		<TargetFramework>net9.0-windows</TargetFramework>
 		<UseWindowsForms>true</UseWindowsForms>
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
 		<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
-		<Version>1.3.0</Version>
+		<Version>1.4.0</Version>
 		<Description>A simple dialog box to capture user input. Supports a single string input or selection of a value from a dropdown box.
 Also functions a a standard MessageBox.
 
@@ -15,7 +15,8 @@ Also functions a a standard MessageBox.
 20220308 - Enable no icon and adjusted sizes of other elements accordingly
 20231214 - Fixed combobox Enter key = click Ok button (if exists)
 20231215 - Code Cleanup only (no true updates)
-20240103 - Added numeric selector. moved Enums to separate classes (eliminate InputDialog.InputDialog.enum)</Description>
+20240103 - Added numeric selector. moved Enums to separate classes (eliminate InputDialog.InputDialog.enum)
+20250821 - Updated to .Net 9 and C# 13</Description>
 		<Copyright>House on the Rock Software</Copyright>
 		<PackageProjectUrl>https://github.com/rkreisel/InputDialog</PackageProjectUrl>
 		<PackageReadmeFile>ReadMe.md</PackageReadmeFile>
diff --git a/InputDialogTester/InputDialogTester.csproj b/InputDialogTester/InputDialogTester.csproj
index f8e6414..fbcaf8b 100644
--- a/InputDialogTester/InputDialogTester.csproj
+++ b/InputDialogTester/InputDialogTester.csproj
@@ -2,7 +2,8 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
+	<Version>1.4.0</Version>
     <Nullable>enable</Nullable>
     <UseWindowsForms>true</UseWindowsForms>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -32,7 +33,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Management" Version="6.0.0" />
+    <PackageReference Include="System.Management" Version="9.0.8" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/InputDialogUsageSample/InputDialogUsageSample.csproj b/InputDialogUsageSample/InputDialogUsageSample.csproj
index 0bb51ef..0d4cacf 100644
--- a/InputDialogUsageSample/InputDialogUsageSample.csproj
+++ b/InputDialogUsageSample/InputDialogUsageSample.csproj
@@ -2,7 +2,8 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
+	<Version>1.4.0</Version>
     <Nullable>enable</Nullable>
     <UseWindowsForms>true</UseWindowsForms>
     <ImplicitUsings>enable</ImplicitUsings>
diff --git a/ReadMe.md b/ReadMe.md
index dcecc38..bbae181 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -2,6 +2,8 @@
 
 Input Dialog is a simple .net 6-windows, Winforms Input dialog in a nuget package.
 
+**20250821:** Updated to .net 9 and C# 13
+
 ### Nuget Link
 
 https://www.nuget.org/packages/InputDialog/