diff --git a/Image_Watermark_PDF/Image_Watermark_PDF/Image_Watermark_PDF.csproj b/Image_Watermark_PDF/Image_Watermark_PDF/Image_Watermark_PDF.csproj
index 3847ef1..ecb5435 100644
--- a/Image_Watermark_PDF/Image_Watermark_PDF/Image_Watermark_PDF.csproj
+++ b/Image_Watermark_PDF/Image_Watermark_PDF/Image_Watermark_PDF.csproj
@@ -2,13 +2,13 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
+    <Nullable>enable</Nullable> 
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="20.4.0.54" />
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
   </ItemGroup>
 
 </Project>
diff --git a/Remove_Watermark_PDF/Remove_Watermark_PDF/Remove_Watermark_PDF.csproj b/Remove_Watermark_PDF/Remove_Watermark_PDF/Remove_Watermark_PDF.csproj
index 09c6d7f..38ed6d3 100644
--- a/Remove_Watermark_PDF/Remove_Watermark_PDF/Remove_Watermark_PDF.csproj
+++ b/Remove_Watermark_PDF/Remove_Watermark_PDF/Remove_Watermark_PDF.csproj
@@ -2,13 +2,13 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="21.2.3" />
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
   </ItemGroup>
 
 </Project>
diff --git a/Text_Watermark_PDF/Text_Watermark_PDF/Text_Watermark_PDF.csproj b/Text_Watermark_PDF/Text_Watermark_PDF/Text_Watermark_PDF.csproj
index a6988e9..c9b500b 100644
--- a/Text_Watermark_PDF/Text_Watermark_PDF/Text_Watermark_PDF.csproj
+++ b/Text_Watermark_PDF/Text_Watermark_PDF/Text_Watermark_PDF.csproj
@@ -2,13 +2,13 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="21.2.3" />
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
   </ItemGroup>
 
 </Project>