diff --git a/backend/tests/BilliardSystem.Tests/BilliardSystem.Tests.csproj b/backend/tests/BilliardSystem.Tests/BilliardSystem.Tests.csproj
index c26de5d..b24193d 100644
--- a/backend/tests/BilliardSystem.Tests/BilliardSystem.Tests.csproj
+++ b/backend/tests/BilliardSystem.Tests/BilliardSystem.Tests.csproj
@@ -14,7 +14,7 @@
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     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>