diff --git a/UnitTests/UnitTests.csproj b/UnitTests/UnitTests.csproj
index 4f9d98a..30a4b3a 100644
--- a/UnitTests/UnitTests.csproj
+++ b/UnitTests/UnitTests.csproj
@@ -11,7 +11,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
         <PackageReference Include="xunit" Version="2.9.3" />
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="3.1.1" />
         <ProjectReference Include="..\CSSParser\CSSParser.csproj" />
         <ProjectReference Include="..\CSSParser.ExtendedLESSParser\CSSParser.ExtendedLESSParser.csproj" />
     </ItemGroup>