diff --git a/DecSm.Results.Benchmarks/DecSm.Results.Benchmarks.csproj b/DecSm.Results.Benchmarks/DecSm.Results.Benchmarks.csproj
index 14a4fff..340f6ca 100644
--- a/DecSm.Results.Benchmarks/DecSm.Results.Benchmarks.csproj
+++ b/DecSm.Results.Benchmarks/DecSm.Results.Benchmarks.csproj
@@ -6,11 +6,13 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.15.4" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.15.8" />
     <PackageReference Include="FluentResults" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="System.Collections.Immutable" Version="10.0.0" />
+    <PackageReference Include="System.Text.Json" Version="10.0.0" />
     <ProjectReference Include="..\DecSm.Results\DecSm.Results.csproj" />
   </ItemGroup>