diff --git a/SchedulerWPF/SchedulerWPF/SchedulerWPF.csproj b/SchedulerWPF/SchedulerWPF/SchedulerWPF.csproj
index 6a6519e..e8da078 100644
--- a/SchedulerWPF/SchedulerWPF/SchedulerWPF.csproj
+++ b/SchedulerWPF/SchedulerWPF/SchedulerWPF.csproj
@@ -38,8 +38,9 @@
     <Reference Include="Microsoft.Xaml.Behaviors, Version=1.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Xaml.Behaviors.Wpf.1.1.19\lib\net45\Microsoft.Xaml.Behaviors.dll</HintPath>
     </Reference>
-    <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
+      <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Xaml.4.0.0.1\lib\PresentationCore.dll</HintPath>
diff --git a/SchedulerWPF/SchedulerWPF/packages.config b/SchedulerWPF/SchedulerWPF/packages.config
index 1c8698a..78374dd 100644
--- a/SchedulerWPF/SchedulerWPF/packages.config
+++ b/SchedulerWPF/SchedulerWPF/packages.config
@@ -3,7 +3,7 @@
   <package id="DocumentFormat.OpenXml" version="2.11.3" targetFramework="net451" />
   <package id="Microsoft.Xaml" version="4.0.0.1" targetFramework="net451" />
   <package id="Microsoft.Xaml.Behaviors.Wpf" version="1.1.19" targetFramework="net451" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net451" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net451" />
   <package id="Syncfusion.Licensing" version="18.3.0.47" targetFramework="net451" />
   <package id="Syncfusion.SfInput.WPF" version="18.3.0.47" targetFramework="net451" />
   <package id="Syncfusion.SfScheduler.WPF" version="18.3.0.47" targetFramework="net451" />