diff --git a/test/CSharpToTypeScript.Web.Tests/CSharpToTypeScript.Web.Tests.csproj b/test/CSharpToTypeScript.Web.Tests/CSharpToTypeScript.Web.Tests.csproj
index f66dbb4..23ec651 100644
--- a/test/CSharpToTypeScript.Web.Tests/CSharpToTypeScript.Web.Tests.csproj
+++ b/test/CSharpToTypeScript.Web.Tests/CSharpToTypeScript.Web.Tests.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.1" />
     <PackageReference Include="xunit" Version="2.4.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>