diff --git a/tests/GuardCore.Tests/GuardCore.Tests.csproj b/tests/GuardCore.Tests/GuardCore.Tests.csproj
index 5c74009..1b9f4dd 100644
--- a/tests/GuardCore.Tests/GuardCore.Tests.csproj
+++ b/tests/GuardCore.Tests/GuardCore.Tests.csproj
@@ -19,7 +19,7 @@
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   <ItemGroup>
-    <PackageReference Include="xunit.v3" Version="3.2.2" />
+    <PackageReference Include="xunit.v3" Version="4.0.0" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
     <PackageReference Include="PolySharp" Version="1.16.0">
       <PrivateAssets>all</PrivateAssets>
@@ -29,7 +29,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4">
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>