diff --git a/DependSight.Engine/MonoFor.DependSight.Engine.csproj b/DependSight.Engine/MonoFor.DependSight.Engine.csproj
index c115a35..89e385a 100644
--- a/DependSight.Engine/MonoFor.DependSight.Engine.csproj
+++ b/DependSight.Engine/MonoFor.DependSight.Engine.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NuGet.Protocol" Version="5.3.1" />
+    <PackageReference Include="NuGet.Protocol" Version="5.9.3" />
   </ItemGroup>
 
 </Project>