diff --git a/AMessanger.Core/AMessanger.Core.csproj b/AMessanger.Core/AMessanger.Core.csproj
index 2bfe265..f458737 100644
--- a/AMessanger.Core/AMessanger.Core.csproj
+++ b/AMessanger.Core/AMessanger.Core.csproj
@@ -8,6 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.SignalR" />
+    <PackageReference Include="Newtonsoft.Json" />
   </ItemGroup>
 
 </Project>
diff --git a/Directory.Packages.props b/Directory.Packages.props
index 7720b1b..77021a7 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -5,6 +5,7 @@
   <ItemGroup>
     <PackageVersion Include="Microsoft.AspNetCore.OpenApi" Version="10.0.11" />
     <PackageVersion Include="Microsoft.AspNetCore.SignalR" Version="1.2.12" />
+    <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageVersion Include="Swashbuckle.AspNetCore" Version="10.2.3" />
   </ItemGroup>
 </Project>
\ No newline at end of file