diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
index 5055ef0..acd4c6c 100644
--- a/Tests/Tests.csproj
+++ b/Tests/Tests.csproj
@@ -22,7 +22,7 @@
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-    <PackageReference Include="NUnit" Version="4.1.0" />
+    <PackageReference Include="NUnit" Version="4.2.1" />
     <PackageReference Include="NUnit.Analyzers" Version="4.3.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>