diff --git a/src/Tgstation.Server.Client/Tgstation.Server.Client.csproj b/src/Tgstation.Server.Client/Tgstation.Server.Client.csproj
index 5046c091a8..eb7827db05 100644
--- a/src/Tgstation.Server.Client/Tgstation.Server.Client.csproj
+++ b/src/Tgstation.Server.Client/Tgstation.Server.Client.csproj
@@ -13,7 +13,7 @@
     <!-- Usage: Connecting to SignalR hubs in API -->
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="8.0.10" />
     <!-- Usage: Using target JSON serializer for API -->
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="8.0.10" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Tgstation.Server.Host/Tgstation.Server.Host.csproj b/src/Tgstation.Server.Host/Tgstation.Server.Host.csproj
index 570b627d6e..8d3d9fc41b 100644
--- a/src/Tgstation.Server.Host/Tgstation.Server.Host.csproj
+++ b/src/Tgstation.Server.Host/Tgstation.Server.Host.csproj
@@ -116,7 +116,7 @@
     <!-- Usage: Support ""legacy"" Newotonsoft.Json in HTTP pipeline. The rest of our codebase uses Newtonsoft. -->
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.10" />
     <!-- Usage: Using target JSON serializer for API -->
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="8.0.10" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="9.0.0" />
     <!-- Usage: Generating dumps of dotnet engine processes -->
     <PackageReference Include="Microsoft.Diagnostics.NETCore.Client" Version="0.2.547301" />
     <!-- Usage: Database ORM -->