diff --git a/Patterns/Composite/CompositeDemo/CompositeDemo/CompositeDemo.csproj b/Patterns/Composite/CompositeDemo/CompositeDemo/CompositeDemo.csproj
index 5f66ac1..6cb9298 100644
--- a/Patterns/Composite/CompositeDemo/CompositeDemo/CompositeDemo.csproj
+++ b/Patterns/Composite/CompositeDemo/CompositeDemo/CompositeDemo.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>