diff --git a/Source/WindowsServicify/WindowsServicify.Domain.Tests/WindowsServicify.Domain.Tests.csproj b/Source/WindowsServicify/WindowsServicify.Domain.Tests/WindowsServicify.Domain.Tests.csproj
index f30ac7e..d44330f 100644
--- a/Source/WindowsServicify/WindowsServicify.Domain.Tests/WindowsServicify.Domain.Tests.csproj
+++ b/Source/WindowsServicify/WindowsServicify.Domain.Tests/WindowsServicify.Domain.Tests.csproj
@@ -12,7 +12,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
-    <PackageReference Include="NUnit" Version="4.1.0" />
+    <PackageReference Include="NUnit" Version="4.5.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
   </ItemGroup>