diff --git a/CSharp/CSharp.csproj b/CSharp/CSharp.csproj
index afb449a..239c59c 100644
--- a/CSharp/CSharp.csproj
+++ b/CSharp/CSharp.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="DnsClient" Version="1.2.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>