diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7f7601e..739b2e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,8 +11,8 @@ jobs:
         os: [ubuntu-latest, windows-latest]
         configuration: [Debug, Release]
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-dotnet@v4
     - name: Build and test
       shell: pwsh
       run: |
diff --git a/.vscode/launch.json b/.vscode/launch.json
index c4d2564..5db443b 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -10,7 +10,7 @@
             "request": "launch",
             "preLaunchTask": "build",
             // If you have changed target frameworks, make sure to update the program path.
-            "program": "${workspaceRoot}/src/IxMilia.Pdf.Test/bin/Debug/net7.0/IxMilia.Pdf.Test.dll",
+            "program": "${workspaceRoot}/src/IxMilia.Pdf.Test/bin/Debug/net8.0/IxMilia.Pdf.Test.dll",
             "args": [],
             "cwd": "${workspaceRoot}/src/IxMilia.Pdf.Test",
             // For more information about the 'console' field, see https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md#console-terminal-window
diff --git a/global.json b/global.json
index 4037c77..989a69c 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "7.0.100",
+    "version": "8.0.100",
     "rollForward": "latestMinor"
   }
 }
\ No newline at end of file
diff --git a/src/IxMilia.Pdf.Test/IxMilia.Pdf.Test.csproj b/src/IxMilia.Pdf.Test/IxMilia.Pdf.Test.csproj
index 2426137..7d3df23 100644
--- a/src/IxMilia.Pdf.Test/IxMilia.Pdf.Test.csproj
+++ b/src/IxMilia.Pdf.Test/IxMilia.Pdf.Test.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
@@ -10,13 +10,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+    <PackageReference Include="xunit" Version="2.9.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
 
 </Project>
diff --git a/src/IxMilia.Pdf.Test/PdfWriterTests.cs b/src/IxMilia.Pdf.Test/PdfWriterTests.cs
index cb04e1a..fb256a6 100644
--- a/src/IxMilia.Pdf.Test/PdfWriterTests.cs
+++ b/src/IxMilia.Pdf.Test/PdfWriterTests.cs
@@ -266,7 +266,7 @@ public void VerifyFontsAreAddedOnSaveTest()
             var text = new PdfText("foo", new PdfFontType1(PdfFontType1Type.Helvetica), PdfMeasurement.Points(12.0), new PdfPoint());
             page.Items.Add(text);
             file.Pages.Add(page);
-            Assert.Equal(0, file.Fonts.Count);
+            Assert.Empty(file.Fonts);
 
             using (var ms = new MemoryStream())
             {
diff --git a/src/IxMilia.Pdf/IxMilia.Pdf.csproj b/src/IxMilia.Pdf/IxMilia.Pdf.csproj
index 4dae6a6..1cbbcac 100644
--- a/src/IxMilia.Pdf/IxMilia.Pdf.csproj
+++ b/src/IxMilia.Pdf/IxMilia.Pdf.csproj
@@ -5,7 +5,7 @@
     <Copyright>Copyright 2018</Copyright>
     <AssemblyTitle>IxMilia.Pdf</AssemblyTitle>
     <Authors>IxMilia</Authors>
-    <TargetFramework>netstandard1.3</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyName>IxMilia.Pdf</AssemblyName>
     <PackageId>IxMilia.Pdf</PackageId>
     <PackageTags>PDF</PackageTags>
@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19367-01" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
   </ItemGroup>
 
 </Project>