diff --git a/benchmark/Dunet.Benchmark/Dunet.Benchmark.csproj b/benchmark/Dunet.Benchmark/Dunet.Benchmark.csproj
index 92f953f..fa4e2b7 100644
--- a/benchmark/Dunet.Benchmark/Dunet.Benchmark.csproj
+++ b/benchmark/Dunet.Benchmark/Dunet.Benchmark.csproj
@@ -14,6 +14,7 @@
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
           <PrivateAssets>all</PrivateAssets>
         </PackageReference>
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
     </ItemGroup>
 
     <ItemGroup>