diff --git a/AaruBenchmark/AaruBenchmark.csproj b/AaruBenchmark/AaruBenchmark.csproj
index 33296ad..0cc01a8 100644
--- a/AaruBenchmark/AaruBenchmark.csproj
+++ b/AaruBenchmark/AaruBenchmark.csproj
@@ -11,6 +11,14 @@
     <PackageReference Include="Aaru.Compression" Version="5.3.2" />
     <PackageReference Include="Aaru.Compression.Native" Version="6.0.0-alpha9"/>
     <PackageReference Include="BenchmarkDotNet" Version="0.13.8" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' ">
+    <PackageReference Include="DotNetZip" Version="1.13.8"/>
+    <PackageReference Include="SharpCompress" Version="0.29.0" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net7.0' ">
     <PackageReference Include="DotNetZip" Version="1.16.0"/>
     <PackageReference Include="SharpCompress" Version="0.34.0" />
   </ItemGroup>