diff --git a/Source/Pfs/Pfs.BL.Tests/Pfs.BL.Tests.csproj b/Source/Pfs/Pfs.BL.Tests/Pfs.BL.Tests.csproj
index 4e4f5f3..7ff1985 100644
--- a/Source/Pfs/Pfs.BL.Tests/Pfs.BL.Tests.csproj
+++ b/Source/Pfs/Pfs.BL.Tests/Pfs.BL.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="4.5.0" />
   </ItemGroup>