diff --git a/src/Mandrill/Mandrill.csproj b/src/Mandrill/Mandrill.csproj
index 2791d09..964d0d1 100644
--- a/src/Mandrill/Mandrill.csproj
+++ b/src/Mandrill/Mandrill.csproj
@@ -18,7 +18,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">