diff --git a/phirSOFT.SettingsService.Json.Test/phirSOFT.SettingsService.Json.Test.csproj b/phirSOFT.SettingsService.Json.Test/phirSOFT.SettingsService.Json.Test.csproj
index 8f5567e..cc53db1 100644
--- a/phirSOFT.SettingsService.Json.Test/phirSOFT.SettingsService.Json.Test.csproj
+++ b/phirSOFT.SettingsService.Json.Test/phirSOFT.SettingsService.Json.Test.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
-    <PackageReference Include="NUnit" Version="3.12.0" />
+    <PackageReference Include="NUnit" Version="3.13.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
   </ItemGroup>
   <ItemGroup>