diff --git a/Chapter09/WebApplication2/WebApplication2/obj/Release/Package/PackageTmp/packages.config b/Chapter09/WebApplication2/WebApplication2/obj/Release/Package/PackageTmp/packages.config
index 2d1f142..33a0435 100644
--- a/Chapter09/WebApplication2/WebApplication2/obj/Release/Package/PackageTmp/packages.config
+++ b/Chapter09/WebApplication2/WebApplication2/obj/Release/Package/PackageTmp/packages.config
@@ -26,7 +26,7 @@
   <package id="Microsoft.Owin.Security.Twitter" version="3.0.1" targetFramework="net461" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net461" />
   <package id="Modernizr" version="2.6.2" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="Owin" version="1.0" targetFramework="net461" />
   <package id="Respond" version="1.2.0" targetFramework="net461" />
   <package id="WebGrease" version="1.5.2" targetFramework="net461" />