diff --git a/timezone-issues/timezone-issues.csproj b/timezone-issues/timezone-issues.csproj
index 6cf6797..9863881 100644
--- a/timezone-issues/timezone-issues.csproj
+++ b/timezone-issues/timezone-issues.csproj
@@ -15,7 +15,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="3.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.3" />
   </ItemGroup>