diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 4c1a784..884b6a3 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -14,10 +14,8 @@ jobs:
     steps:
       - name: Check out code
         uses: actions/checkout@v3
-      - name: Set up .NET 7.0
+      - name: Set up .NET
         uses: actions/setup-dotnet@v3
-        with:
-          dotnet-version: 7.x
       - name: Restore
         run: dotnet restore
       - name: Build
diff --git a/Directory.Build.props b/Directory.Build.props
index 36315a4..c0a1719 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -24,7 +24,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
   </ItemGroup>
 
   <PropertyGroup Condition=" '$(BuildNumber)' != '' ">
diff --git a/global.json b/global.json
new file mode 100644
index 0000000..391ba3c
--- /dev/null
+++ b/global.json
@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "8.0.100",
+    "rollForward": "latestFeature"
+  }
+}
diff --git a/src/BsDiff/BinaryPatch.cs b/src/BsDiff/BinaryPatch.cs
index 2246f35..3326d34 100644
--- a/src/BsDiff/BinaryPatch.cs
+++ b/src/BsDiff/BinaryPatch.cs
@@ -43,8 +43,12 @@ public static class BinaryPatch
 	public static void Create(ReadOnlySpan<byte> oldData, ReadOnlySpan<byte> newData, Stream output)
 	{
 		// check arguments
+#if NET6_0_OR_GREATER
+		ArgumentNullException.ThrowIfNull(output);
+#else
 		if (output is null)
 			throw new ArgumentNullException(nameof(output));
+#endif
 		if (!output.CanSeek)
 			throw new ArgumentException("Output stream must be seekable.", nameof(output));
 		if (!output.CanWrite)
@@ -222,12 +226,18 @@ 0	32	Header
 	public static void Apply(Stream input, Func<Stream> openPatchStream, Stream output)
 	{
 		// check arguments
+#if NET6_0_OR_GREATER
+		ArgumentNullException.ThrowIfNull(input);
+		ArgumentNullException.ThrowIfNull(openPatchStream);
+		ArgumentNullException.ThrowIfNull(output);
+#else
 		if (input is null)
 			throw new ArgumentNullException(nameof(input));
 		if (openPatchStream is null)
 			throw new ArgumentNullException(nameof(openPatchStream));
 		if (output is null)
 			throw new ArgumentNullException(nameof(output));
+#endif
 
 		/*
 		File format:
diff --git a/src/BsDiff/BsDiff.csproj b/src/BsDiff/BsDiff.csproj
index fd2434b..ba2c7cd 100644
--- a/src/BsDiff/BsDiff.csproj
+++ b/src/BsDiff/BsDiff.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <Description>.NET port of bsdiff, Colin Pervical's binary diff/patch utility, in 100% managed code.</Description>
     <PackageId>BsDiff</PackageId>
@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
-    <PackageReference Include="IndexRange" Version="1.0.2" PrivateAssets="All" />
+    <PackageReference Include="IndexRange" Version="1.0.3" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/BsDiffTool/BsDiffTool.csproj b/src/BsDiffTool/BsDiffTool.csproj
index d9698a8..65c95c0 100644
--- a/src/BsDiffTool/BsDiffTool.csproj
+++ b/src/BsDiffTool/BsDiffTool.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <Description>Port of bsdiff to .NET.</Description>
   </PropertyGroup>
 
diff --git a/src/BsPatchTool/BsPatchTool.csproj b/src/BsPatchTool/BsPatchTool.csproj
index cd71eac..080b881 100644
--- a/src/BsPatchTool/BsPatchTool.csproj
+++ b/src/BsPatchTool/BsPatchTool.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <Description>Port of bspatch to .NET.</Description>
   </PropertyGroup>
 
diff --git a/tests/BsDiff.Tests/BsDiff.Tests.csproj b/tests/BsDiff.Tests/BsDiff.Tests.csproj
index 1e50bfb..43e3838 100644
--- a/tests/BsDiff.Tests/BsDiff.Tests.csproj
+++ b/tests/BsDiff.Tests/BsDiff.Tests.csproj
@@ -1,20 +1,20 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
     <Using Include="Xunit" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+    <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">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="3.1.2">
+    <PackageReference Include="coverlet.collector" Version="6.0.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>