diff --git a/src/Shared/Shared.csproj b/src/Shared/Shared.csproj
index 76b3bed6..17b18df3 100644
--- a/src/Shared/Shared.csproj
+++ b/src/Shared/Shared.csproj
@@ -17,6 +17,7 @@
     <PackageReference Include="Microsoft.Azure.DurableTask.Core" />
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" />
     <PackageReference Include="Microsoft.Extensions.Hosting" />
+    <PackageReference Include="System.Text.Json"/>
   </ItemGroup>
 
 </Project>