diff --git a/LicenseSign/LicenseSign/LicenseSign.csproj b/LicenseSign/LicenseSign/LicenseSign.csproj
index f730ef5..897bff3 100644
--- a/LicenseSign/LicenseSign/LicenseSign.csproj
+++ b/LicenseSign/LicenseSign/LicenseSign.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
 </Project>