diff --git a/Chickensoft.SaveFileBuilder.Tests/Chickensoft.SaveFileBuilder.Tests.csproj b/Chickensoft.SaveFileBuilder.Tests/Chickensoft.SaveFileBuilder.Tests.csproj
index 092735f..e2727c2 100644
--- a/Chickensoft.SaveFileBuilder.Tests/Chickensoft.SaveFileBuilder.Tests.csproj
+++ b/Chickensoft.SaveFileBuilder.Tests/Chickensoft.SaveFileBuilder.Tests.csproj
@@ -30,8 +30,8 @@
     </PackageReference>
     <!-- Test executor -->
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
-    <PackageReference Include="xunit.v3" Version="3.2.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
+    <PackageReference Include="xunit.v3" Version="4.0.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" />
     <!-- Mocking -->
     <PackageReference Include="Moq" Version="4.20.72" />
     <!-- Assertions -->