diff --git a/SlackAPI/SlackAPI.csproj b/SlackAPI/SlackAPI.csproj
index f6d875d..ef798c7 100644
--- a/SlackAPI/SlackAPI.csproj
+++ b/SlackAPI/SlackAPI.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
   </ItemGroup>