diff --git a/src/SourceGenerator.Foundations/IncrementalGenerator.cs b/src/SourceGenerator.Foundations/IncrementalGenerator.cs
index 72640a0..92f2068 100644
--- a/src/SourceGenerator.Foundations/IncrementalGenerator.cs
+++ b/src/SourceGenerator.Foundations/IncrementalGenerator.cs
@@ -1,4 +1,5 @@
-using Microsoft.CodeAnalysis;
+#nullable enable
+using Microsoft.CodeAnalysis;
 using Serilog;
 using System;
 using System.Diagnostics;
diff --git a/src/SourceGenerator.Foundations/SourceGenerator.Foundations.csproj b/src/SourceGenerator.Foundations/SourceGenerator.Foundations.csproj
index 4958e3f..4797b01 100644
--- a/src/SourceGenerator.Foundations/SourceGenerator.Foundations.csproj
+++ b/src/SourceGenerator.Foundations/SourceGenerator.Foundations.csproj
@@ -24,6 +24,10 @@
 	<ItemGroup>
 		<None Update="$(AssemblyName).props" PackagePath="build" />
 		<None Include="$(OutputPath)$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
+		<PackageReference Include="GitVersion.MsBuild" Version="5.12.0">
+		  <PrivateAssets>all</PrivateAssets>
+		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
 		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.3.1" PrivateAssets="all" />
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1">
 		  <PrivateAssets>all</PrivateAssets>