diff --git a/tests/Diffa.MSTest/Diffa.MSTest.csproj b/tests/Diffa.MSTest/Diffa.MSTest.csproj
index d511a64..55aebfe 100644
--- a/tests/Diffa.MSTest/Diffa.MSTest.csproj
+++ b/tests/Diffa.MSTest/Diffa.MSTest.csproj
@@ -33,7 +33,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="1.3.2" />
     <PackageReference Include="MSTest.TestFramework" Version="1.3.2" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="Shouldly" Version="3.0.0" />
   </ItemGroup>