diff --git a/pdf_from_excel/pdf_from_excel/pdf_from_excel.csproj b/pdf_from_excel/pdf_from_excel/pdf_from_excel.csproj
index c81c549..2cf1d81 100644
--- a/pdf_from_excel/pdf_from_excel/pdf_from_excel.csproj
+++ b/pdf_from_excel/pdf_from_excel/pdf_from_excel.csproj
@@ -2,11 +2,11 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.XlsIORenderer.Net.Core" Version="20.1.0.50" />
+    <PackageReference Include="Syncfusion.XlsIORenderer.Net.Core" Version="*" />
   </ItemGroup>
 
 </Project>
diff --git a/pdf_from_images/pdf_from_images/pdf_from_images.csproj b/pdf_from_images/pdf_from_images/pdf_from_images.csproj
index 0c98def..f09fe5c 100644
--- a/pdf_from_images/pdf_from_images/pdf_from_images.csproj
+++ b/pdf_from_images/pdf_from_images/pdf_from_images.csproj
@@ -2,11 +2,11 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="20.1.0.51" />
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
   </ItemGroup>
 
 </Project>
diff --git a/pdf_from_scratch/pdf_from_scratch/pdf_from_scratch.csproj b/pdf_from_scratch/pdf_from_scratch/pdf_from_scratch.csproj
index a34d998..f09fe5c 100644
--- a/pdf_from_scratch/pdf_from_scratch/pdf_from_scratch.csproj
+++ b/pdf_from_scratch/pdf_from_scratch/pdf_from_scratch.csproj
@@ -2,11 +2,11 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="20.1.0.50" />
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
   </ItemGroup>
 
 </Project>
diff --git a/pdf_from_web/pdf_from_web/pdf_from_web.csproj b/pdf_from_web/pdf_from_web/pdf_from_web.csproj
index dcba9c1..c880f6c 100644
--- a/pdf_from_web/pdf_from_web/pdf_from_web.csproj
+++ b/pdf_from_web/pdf_from_web/pdf_from_web.csproj
@@ -2,11 +2,11 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.HtmlToPdfConverter.Blink.Net.Core.Windows" Version="20.1.0.51" />
+    <PackageReference Include="Syncfusion.HtmlToPdfConverter.Net.Windows" Version="*" />
   </ItemGroup>
 
 </Project>