diff --git a/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Authenticate.SMS.Client/SimpleIdentityServer.Authenticate.SMS.Client.csproj b/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Authenticate.SMS.Client/SimpleIdentityServer.Authenticate.SMS.Client.csproj
index 811c6dbc5..f4f9b2c41 100644
--- a/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Authenticate.SMS.Client/SimpleIdentityServer.Authenticate.SMS.Client.csproj
+++ b/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Authenticate.SMS.Client/SimpleIdentityServer.Authenticate.SMS.Client.csproj
@@ -3,7 +3,7 @@
     <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.1.0" />
   </ItemGroup>
   <ItemGroup>