diff --git a/test/OpenApi.UnitTests/OpenApi.UnitTests.csproj b/test/OpenApi.UnitTests/OpenApi.UnitTests.csproj
index 8e082fc..b9ecf12 100644
--- a/test/OpenApi.UnitTests/OpenApi.UnitTests.csproj
+++ b/test/OpenApi.UnitTests/OpenApi.UnitTests.csproj
@@ -8,6 +8,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\src\Crest.OpenApi\Crest.OpenApi.csproj" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 </Project>
\ No newline at end of file