diff --git a/src/Slack.Webhooks/Slack.Webhooks.csproj b/src/Slack.Webhooks/Slack.Webhooks.csproj
index ccc484b..aa8c175 100644
--- a/src/Slack.Webhooks/Slack.Webhooks.csproj
+++ b/src/Slack.Webhooks/Slack.Webhooks.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' != 'netstandard1.3' ">