diff --git a/src/test/resources/com/ullink/packageparser/packagereference.csproj b/src/test/resources/com/ullink/packageparser/packagereference.csproj
index 3ac6d45..deff524 100644
--- a/src/test/resources/com/ullink/packageparser/packagereference.csproj
+++ b/src/test/resources/com/ullink/packageparser/packagereference.csproj
@@ -37,7 +37,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="1.1.2" />
     <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="1.1.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="1.1.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.0.0">
       <PrivateAssets>All</PrivateAssets>
     </PackageReference>