diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index eabd5c7d12..f866b232d8 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -20,6 +20,7 @@
   <ItemGroup Label="Package References">
     <PackageReference Include="DiffPlex" Version="1.6.3" />
     <PackageReference Include="Humanizer" Version="2.8.26" />
+    <PackageReference Include="MessagePack" Version="2.2.85" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="5.0.2" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Version="5.0.2" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="5.0.2" />