diff --git a/test/DeepSecure.ThreatRemoval.Test/DeepSecure.ThreatRemoval.Test.csproj b/test/DeepSecure.ThreatRemoval.Test/DeepSecure.ThreatRemoval.Test.csproj
index 2111044..20e1209 100644
--- a/test/DeepSecure.ThreatRemoval.Test/DeepSecure.ThreatRemoval.Test.csproj
+++ b/test/DeepSecure.ThreatRemoval.Test/DeepSecure.ThreatRemoval.Test.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="JUnitTestLogger" Version="1.1.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="NSubstitute" Version="5.1.0" />
-    <PackageReference Include="NUnit" Version="4.1.0" />
+    <PackageReference Include="NUnit" Version="4.2.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="7.0.0" />
   </ItemGroup>