diff --git a/SendGmail.csproj b/SendGmail.csproj
index 6eb13ac..55f87fb 100644
--- a/SendGmail.csproj
+++ b/SendGmail.csproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System.Net.Http" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="NativeConsole.cs" />