diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index 2b8f81532d..3e971d9d4f 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -22,6 +22,7 @@
     <PackageReference Include="DiffPlex" Version="1.6.3" />
     <PackageReference Include="Humanizer" Version="2.8.26" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="3.1.10" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Version="3.1.11" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="3.1.10" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.6" />