Use central package management.

Directory.Build.props

@@ -38,16 +38,4 @@
     <Deterministic>true</Deterministic>
   </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All"/>
-    <PackageReference Include="MinVer" Version="4.3.0">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-    <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-  </ItemGroup>
-
 </Project>

Directory.Packages.props

@@ -0,0 +1,17 @@
+<Project>
+  <PropertyGroup>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageVersion Include="System.Memory" Version="4.5.5" />
+    <PackageVersion Include="xunit" Version="2.6.6" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.6" />
+    <PackageVersion Include="coverlet.collector" Version="6.0.0" />
+  </ItemGroup>
+  <ItemGroup>
+    <GlobalPackageReference Include="MinVer" Version="4.3.0" />
+    <GlobalPackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />
+    <GlobalPackageReference Include="xunit.analyzers" Version="1.10.0" />
+  </ItemGroup>
+</Project>

nuget.config

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <clear />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+  </packageSources>
+</configuration>

src/NGuid/NGuid.csproj

@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
-    <PackageReference Include="System.Memory" Version="4.5.5" />
+    <PackageReference Include="System.Memory" />
   </ItemGroup>
 
   <ItemGroup>

tests/NGuid.Tests/NGuid.Tests.csproj

@@ -8,17 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="xunit" Version="2.6.6" />
-    <PackageReference Include="xunit.analyzers" Version="1.10.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="6.0.0">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" />
+    <PackageReference Include="xunit" />
+    <PackageReference Include="xunit.runner.visualstudio" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" PrivateAssets="all" />
+    <PackageReference Include="coverlet.collector" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>