diff --git a/tools/OpenApi.Generator.UnitTests/OpenApi.Generator.UnitTests.csproj b/tools/OpenApi.Generator.UnitTests/OpenApi.Generator.UnitTests.csproj
index 4bbe0e7..5817af7 100644
--- a/tools/OpenApi.Generator.UnitTests/OpenApi.Generator.UnitTests.csproj
+++ b/tools/OpenApi.Generator.UnitTests/OpenApi.Generator.UnitTests.csproj
@@ -5,7 +5,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\src\Crest.Core\Crest.Core.csproj" />
     <ProjectReference Include="..\Crest.OpenApi.Generator\Crest.OpenApi.Generator.csproj" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>