diff --git a/Change-Tab-Leader-of-TOC/Console-App-.NET-Framework/Change-Tab-Leader-of-TOC/Change-Tab-Leader-of-TOC.csproj b/Change-Tab-Leader-of-TOC/Console-App-.NET-Framework/Change-Tab-Leader-of-TOC/Change-Tab-Leader-of-TOC.csproj
index 9c11e77..ba21ef0 100644
--- a/Change-Tab-Leader-of-TOC/Console-App-.NET-Framework/Change-Tab-Leader-of-TOC/Change-Tab-Leader-of-TOC.csproj
+++ b/Change-Tab-Leader-of-TOC/Console-App-.NET-Framework/Change-Tab-Leader-of-TOC/Change-Tab-Leader-of-TOC.csproj
@@ -34,17 +34,20 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Syncfusion.Compression.Base, Version=30.1462.37.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.Compression.Base.30.1.37\lib\net462\Syncfusion.Compression.Base.dll</HintPath>
+    <Reference Include="Syncfusion.Compression.Base, Version=31.1462.17.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Compression.Base.31.1.17\lib\net462\Syncfusion.Compression.Base.dll</HintPath>
     </Reference>
-    <Reference Include="Syncfusion.DocIO.Base, Version=30.1462.37.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.DocIO.WinForms.30.1.37\lib\net462\Syncfusion.DocIO.Base.dll</HintPath>
+    <Reference Include="Syncfusion.DocIO.Base, Version=31.1462.17.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.DocIO.WinForms.31.1.17\lib\net462\Syncfusion.DocIO.Base.dll</HintPath>
     </Reference>
-    <Reference Include="Syncfusion.Licensing, Version=30.1462.37.0, Culture=neutral, PublicKeyToken=632609b4d040f6b4, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.Licensing.30.1.37\lib\net462\Syncfusion.Licensing.dll</HintPath>
+    <Reference Include="Syncfusion.Licensing, Version=31.1462.17.0, Culture=neutral, PublicKeyToken=632609b4d040f6b4, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Licensing.31.1.17\lib\net462\Syncfusion.Licensing.dll</HintPath>
     </Reference>
-    <Reference Include="Syncfusion.OfficeChart.Base, Version=30.1462.37.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.OfficeChart.Base.30.1.37\lib\net462\Syncfusion.OfficeChart.Base.dll</HintPath>
+	<Reference Include="Syncfusion.Markdown, Version=31.1462.17.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Markdown.31.1.17\lib\net462\Syncfusion.Markdown.dll</HintPath>
+    </Reference>
+    <Reference Include="Syncfusion.OfficeChart.Base, Version=31.1462.17.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.OfficeChart.Base.31.1.17\lib\net462\Syncfusion.OfficeChart.Base.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
diff --git a/Change-Tab-Leader-of-TOC/Console-App-.NET-Framework/Change-Tab-Leader-of-TOC/packages.config b/Change-Tab-Leader-of-TOC/Console-App-.NET-Framework/Change-Tab-Leader-of-TOC/packages.config
index 31260cb..a601c6c 100644
--- a/Change-Tab-Leader-of-TOC/Console-App-.NET-Framework/Change-Tab-Leader-of-TOC/packages.config
+++ b/Change-Tab-Leader-of-TOC/Console-App-.NET-Framework/Change-Tab-Leader-of-TOC/packages.config
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Syncfusion.Compression.Base" version="30.1.37" targetFramework="net462" />
-  <package id="Syncfusion.DocIO.WinForms" version="30.1.37" targetFramework="net462" />
-  <package id="Syncfusion.Licensing" version="30.1.37" targetFramework="net462" />
-  <package id="Syncfusion.OfficeChart.Base" version="30.1.37" targetFramework="net462" />
+  <package id="Syncfusion.Compression.Base" version="31.1.17" targetFramework="net462" />
+  <package id="Syncfusion.DocIO.WinForms" version="31.1.17" targetFramework="net462" />
+  <package id="Syncfusion.Licensing" version="31.1.17" targetFramework="net462" />
+  <package id="Syncfusion.Markdown" version="31.1.17" targetFramework="net462" />
+  <package id="Syncfusion.OfficeChart.Base" version="31.1.17" targetFramework="net462" />
 </packages>
\ No newline at end of file