diff --git a/eFormAPI/Plugins/RentableItems.Pn/RentableItems.Pn.Tests/RentableItems.Pn.Tests.csproj b/eFormAPI/Plugins/RentableItems.Pn/RentableItems.Pn.Tests/RentableItems.Pn.Tests.csproj
index fb5e9c1d..6e3d8cfb 100644
--- a/eFormAPI/Plugins/RentableItems.Pn/RentableItems.Pn.Tests/RentableItems.Pn.Tests.csproj
+++ b/eFormAPI/Plugins/RentableItems.Pn/RentableItems.Pn.Tests/RentableItems.Pn.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="4.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.4.2" />
   </ItemGroup>