diff --git a/src/Zammad.Client/Zammad.Client.csproj b/src/Zammad.Client/Zammad.Client.csproj
index b148f75..c5e81f8 100644
--- a/src/Zammad.Client/Zammad.Client.csproj
+++ b/src/Zammad.Client/Zammad.Client.csproj
@@ -20,7 +20,7 @@
   </PropertyGroup>
     
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file