diff --git a/LrcParser.Tests/LrcParser.Tests.csproj b/LrcParser.Tests/LrcParser.Tests.csproj
index e1e37e4..ec8e9a2 100644
--- a/LrcParser.Tests/LrcParser.Tests.csproj
+++ b/LrcParser.Tests/LrcParser.Tests.csproj
@@ -9,7 +9,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-        <PackageReference Include="NUnit" Version="3.13.3" />
+        <PackageReference Include="NUnit" Version="4.0.0" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     </ItemGroup>