diff --git a/Directory.Packages.props b/Directory.Packages.props
index 0703b020..b973bf80 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -80,6 +80,7 @@
         <PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="9.0.13"/>
         <PackageVersion Include="Microsoft.Extensions.Options" Version="9.0.13"/>
         <PackageVersion Include="Microsoft.Extensions.Resilience" Version="9.10.0"/>
+        <PackageVersion Include="Newtonsoft.Json" Version="13.0.1" />
         <PackageVersion Include="Npgsql" Version="9.0.4"/>
         <PackageVersion Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4"/>
         <PackageVersion Include="Oracle.EntityFrameworkCore" Version="9.23.26000"/>
diff --git a/src/modules/scheduling/Elsa.Scheduling.Hangfire/Elsa.Scheduling.Hangfire.csproj b/src/modules/scheduling/Elsa.Scheduling.Hangfire/Elsa.Scheduling.Hangfire.csproj
index e4bb5670..a4e00618 100644
--- a/src/modules/scheduling/Elsa.Scheduling.Hangfire/Elsa.Scheduling.Hangfire.csproj
+++ b/src/modules/scheduling/Elsa.Scheduling.Hangfire/Elsa.Scheduling.Hangfire.csproj
@@ -19,6 +19,7 @@
     </ItemGroup>
 
     <ItemGroup Label="Elsa" Condition="'$(UseProjectReferences)' == 'true'">
+      <PackageReference Include="Newtonsoft.Json" />
         <ProjectReference Include="..\..\..\..\..\elsa-core\src\common\Elsa.Features\Elsa.Features.csproj"/>
         <ProjectReference Include="..\..\..\..\..\elsa-core\src\modules\Elsa.Scheduling\Elsa.Scheduling.csproj"/>
     </ItemGroup>