diff --git a/src/internal/SetBuildNumber/Directory.Packages.props.pp b/src/internal/SetBuildNumber/Directory.Packages.props.pp
index 7b79a7b8b..a3334c780 100644
--- a/src/internal/SetBuildNumber/Directory.Packages.props.pp
+++ b/src/internal/SetBuildNumber/Directory.Packages.props.pp
@@ -91,9 +91,9 @@
     <PackageVersion Include="GitInfo" Version="2.3.0" />
 
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
-    <PackageVersion Include="xunit" Version="2.5.0" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.0" />
-    <PackageVersion Include="xunit.assert" Version="2.5.0" />
+    <PackageVersion Include="xunit" Version="2.5.1" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.1" />
+    <PackageVersion Include="xunit.assert" Version="2.5.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/internal/WixInternal.TestSupport.Native/build/WixInternal.TestSupport.Native.props b/src/internal/WixInternal.TestSupport.Native/build/WixInternal.TestSupport.Native.props
index 11f3baed7..966acc0a3 100644
--- a/src/internal/WixInternal.TestSupport.Native/build/WixInternal.TestSupport.Native.props
+++ b/src/internal/WixInternal.TestSupport.Native/build/WixInternal.TestSupport.Native.props
@@ -5,8 +5,8 @@
   <PropertyGroup>
     <RepoRootDir Condition=" '$(RepoRootDir)' == '' ">$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildProjectDirectory), .gitignore))</RepoRootDir>
   </PropertyGroup>
-  <Import Project="$(RepoRootDir)\packages\xunit.core.2.5.0\build\xunit.core.props" Condition="Exists('$(RepoRootDir)\packages\xunit.core.2.5.0\build\xunit.core.props')" />
-  <Import Project="$(RepoRootDir)\packages\xunit.runner.visualstudio.2.5.0\build\net462\xunit.runner.visualstudio.props" Condition="Exists('$(RepoRootDir)\packages\xunit.runner.visualstudio.2.5.0\build\net462\xunit.runner.visualstudio.props')" />
+  <Import Project="$(RepoRootDir)\packages\xunit.core.2.5.1\build\xunit.core.props" Condition="Exists('$(RepoRootDir)\packages\xunit.core.2.5.1\build\xunit.core.props')" />
+  <Import Project="$(RepoRootDir)\packages\xunit.runner.visualstudio.2.5.1\build\net462\xunit.runner.visualstudio.props" Condition="Exists('$(RepoRootDir)\packages\xunit.runner.visualstudio.2.5.1\build\net462\xunit.runner.visualstudio.props')" />
   <PropertyGroup>
     <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
   </PropertyGroup>
diff --git a/src/internal/WixInternal.TestSupport.Native/build/WixInternal.TestSupport.Native.targets b/src/internal/WixInternal.TestSupport.Native/build/WixInternal.TestSupport.Native.targets
index 15bdb33e2..c070549c1 100644
--- a/src/internal/WixInternal.TestSupport.Native/build/WixInternal.TestSupport.Native.targets
+++ b/src/internal/WixInternal.TestSupport.Native/build/WixInternal.TestSupport.Native.targets
@@ -22,28 +22,28 @@
       <HintPath>$(RootPackagesFolder)xunit.abstractions.2.0.3\lib\netstandard2.0\xunit.abstractions.dll</HintPath>
     </Reference>
     <Reference Include="xunit.assert">
-      <HintPath>$(RootPackagesFolder)xunit.assert.2.5.0\lib\netstandard1.1\xunit.assert.dll</HintPath>
+      <HintPath>$(RootPackagesFolder)xunit.assert.2.5.1\lib\netstandard1.1\xunit.assert.dll</HintPath>
     </Reference>
     <Reference Include="xunit.core">
-      <HintPath>$(RootPackagesFolder)xunit.extensibility.core.2.5.0\lib\netstandard1.1\xunit.core.dll</HintPath>
+      <HintPath>$(RootPackagesFolder)xunit.extensibility.core.2.5.1\lib\netstandard1.1\xunit.core.dll</HintPath>
     </Reference>
     <Reference Include="xunit.execution.desktop">
-      <HintPath>$(RootPackagesFolder)xunit.extensibility.execution.2.5.0\lib\net452\xunit.execution.desktop.dll</HintPath>
+      <HintPath>$(RootPackagesFolder)xunit.extensibility.execution.2.5.1\lib\net452\xunit.execution.desktop.dll</HintPath>
     </Reference>
   </ItemGroup>
 
-  <Import Project="$(RootPackagesFolder)xunit.core.2.5.0\build\xunit.core.targets" Condition="Exists('$(RootPackagesFolder)xunit.core.2.5.0\build\xunit.core.targets')" />
+  <Import Project="$(RootPackagesFolder)xunit.core.2.5.1\build\xunit.core.targets" Condition="Exists('$(RootPackagesFolder)xunit.core.2.5.1\build\xunit.core.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('$(RootPackagesFolder)xunit.core.2.5.0\build\xunit.core.props')" Text="$([System.String]::Format('$(ErrorText)', '$(RootPackagesFolder)xunit.core.2.5.0\build\xunit.core.props'))" />
-    <Error Condition="!Exists('$(RootPackagesFolder)xunit.core.2.5.0\build\xunit.core.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(RootPackagesFolder)xunit.core.2.5.0\build\xunit.core.targets'))" />
-    <Error Condition="!Exists('$(RootPackagesFolder)xunit.runner.visualstudio.2.5.0\build\net462\xunit.runner.visualstudio.props')" Text="$([System.String]::Format('$(ErrorText)', '$(RootPackagesFolder)xunit.runner.visualstudio.2.5.0\build\net462\xunit.runner.visualstudio.props'))" />
+    <Error Condition="!Exists('$(RootPackagesFolder)xunit.core.2.5.1\build\xunit.core.props')" Text="$([System.String]::Format('$(ErrorText)', '$(RootPackagesFolder)xunit.core.2.5.1\build\xunit.core.props'))" />
+    <Error Condition="!Exists('$(RootPackagesFolder)xunit.core.2.5.1\build\xunit.core.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(RootPackagesFolder)xunit.core.2.5.1\build\xunit.core.targets'))" />
+    <Error Condition="!Exists('$(RootPackagesFolder)xunit.runner.visualstudio.2.5.1\build\net462\xunit.runner.visualstudio.props')" Text="$([System.String]::Format('$(ErrorText)', '$(RootPackagesFolder)xunit.runner.visualstudio.2.5.1\build\net462\xunit.runner.visualstudio.props'))" />
   </Target>
 
-  <UsingTask AssemblyFile="$(RootPackagesFolder)xunit.runner.msbuild.2.5.0\build\net452\xunit.runner.msbuild.net452.dll" TaskName="Xunit.Runner.MSBuild.xunit" Architecture="x86" Condition=" '$(Platform)'!='x64' " />
-  <UsingTask AssemblyFile="$(RootPackagesFolder)xunit.runner.msbuild.2.5.0\build\net452\xunit.runner.msbuild.net452.dll" TaskName="Xunit.Runner.MSBuild.xunit" Architecture="x64" Condition=" '$(Platform)'=='x64' " />
+  <UsingTask AssemblyFile="$(RootPackagesFolder)xunit.runner.msbuild.2.5.1\build\net452\xunit.runner.msbuild.net452.dll" TaskName="Xunit.Runner.MSBuild.xunit" Architecture="x86" Condition=" '$(Platform)'!='x64' " />
+  <UsingTask AssemblyFile="$(RootPackagesFolder)xunit.runner.msbuild.2.5.1\build\net452\xunit.runner.msbuild.net452.dll" TaskName="Xunit.Runner.MSBuild.xunit" Architecture="x64" Condition=" '$(Platform)'=='x64' " />
   <Target Name="Test">
     <!-- https://xunit.net/docs/running-tests-in-msbuild -->
     <!-- https://github.com/xunit/xunit/issues/2188 -->
diff --git a/src/internal/WixInternal.TestSupport.Native/packages.config b/src/internal/WixInternal.TestSupport.Native/packages.config
index a9afa1faf..3f019c89c 100644
--- a/src/internal/WixInternal.TestSupport.Native/packages.config
+++ b/src/internal/WixInternal.TestSupport.Native/packages.config
@@ -7,10 +7,10 @@
     when any of these versions are updated.
   -->
   <package id="xunit.abstractions" version="2.0.3" />
-  <package id="xunit.assert" version="2.5.0" />
-  <package id="xunit.core" version="2.5.0" />
-  <package id="xunit.extensibility.core" version="2.5.0" />
-  <package id="xunit.extensibility.execution" version="2.5.0" />
-  <package id="xunit.runner.msbuild" version="2.5.0" />
-  <package id="xunit.runner.visualstudio" version="2.5.0" />
+  <package id="xunit.assert" version="2.5.1" />
+  <package id="xunit.core" version="2.5.1" />
+  <package id="xunit.extensibility.core" version="2.5.1" />
+  <package id="xunit.extensibility.execution" version="2.5.1" />
+  <package id="xunit.runner.msbuild" version="2.5.1" />
+  <package id="xunit.runner.visualstudio" version="2.5.1" />
 </packages>