diff --git a/GitDiffMargin.Unit.Tests/GitDiffMargin.Unit.Tests.csproj b/GitDiffMargin.Unit.Tests/GitDiffMargin.Unit.Tests.csproj
index f787439a..04f8bddb 100644
--- a/GitDiffMargin.Unit.Tests/GitDiffMargin.Unit.Tests.csproj
+++ b/GitDiffMargin.Unit.Tests/GitDiffMargin.Unit.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.13.2" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" PrivateAssets="all" />
     <PackageReference Include="Shouldly" Version="3.0.2" />
   </ItemGroup>