diff --git a/Serialization-Tests/Serialization-Tests.csproj b/Serialization-Tests/Serialization-Tests.csproj
index b61719a..6f0f1ce 100644
--- a/Serialization-Tests/Serialization-Tests.csproj
+++ b/Serialization-Tests/Serialization-Tests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="System.Collections.Immutable" Version="1.5.0" />
   </ItemGroup>