diff --git a/AS1024.GeoFeed/AS1024.GeoFeed.csproj b/AS1024.GeoFeed/AS1024.GeoFeed.csproj
index 3d04b4f..18bbe69 100644
--- a/AS1024.GeoFeed/AS1024.GeoFeed.csproj
+++ b/AS1024.GeoFeed/AS1024.GeoFeed.csproj
@@ -10,7 +10,6 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.19.5" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
 
 </Project>
diff --git a/AS1024.GeoFeed/GeoFeedBuilder/NetBoxGeoFeedProvider.cs b/AS1024.GeoFeed/GeoFeedBuilder/NetBoxGeoFeedProvider.cs
index c5ab21a..7f2aecc 100644
--- a/AS1024.GeoFeed/GeoFeedBuilder/NetBoxGeoFeedProvider.cs
+++ b/AS1024.GeoFeed/GeoFeedBuilder/NetBoxGeoFeedProvider.cs
@@ -1,6 +1,6 @@
 using AS1024.GeoFeed.Interfaces;
 using AS1024.GeoFeed.Models;
-using Newtonsoft.Json;
+using System.Text.Json;
 using System.Net.Http.Headers;
 using System.Net.Sockets;
 using System.Web;
@@ -49,7 +49,9 @@ namespace AS1024.GeoFeed.GeoFeedBuilder
                     if (result.IsSuccessStatusCode)
                     {
                         string stringResult = await result.Content.ReadAsStringAsync();
-                        jsonData = JsonConvert.DeserializeObject<NetboxData>(stringResult);
+                        jsonData = JsonSerializer.Deserialize<NetboxData>(stringResult, new JsonSerializerOptions { 
+                            PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower
+                        });
 
                         if (jsonData?.Results == null || jsonData.Results.Count == 0)
                         {
diff --git a/AS1024.GeoFeed/Models/GeoFeed.cs b/AS1024.GeoFeed/Models/GeoFeed.cs
index 5233f59..45bbfec 100644
--- a/AS1024.GeoFeed/Models/GeoFeed.cs
+++ b/AS1024.GeoFeed/Models/GeoFeed.cs
@@ -1,5 +1,4 @@
-using Newtonsoft.Json;
-
+using System.Text.Json.Serialization;
 namespace AS1024.GeoFeed.Models
 {
     public class NetboxData
@@ -12,21 +11,15 @@ namespace AS1024.GeoFeed.Models
     public class Result
     {
         public string? Prefix { get; set; }
-        [JsonProperty("custom_fields")]
         public CustomFields? CustomFields { get; set; }
     }
 
     public class CustomFields
     {
-        [JsonProperty("geoloc_city")]
         public string? GeolocCity { get; set; }
-        [JsonProperty("geoloc_country")]
         public string? GeolocCountry { get; set; }
-        [JsonProperty("geoloc_has_location")]
         public bool? GeolocHasLocation { get; set; }
-        [JsonProperty("geoloc_region")]
         public string? GeolocRegion { get; set; }
-        [JsonProperty("geoloc_postal_code")]
         public string? GeolocPostalCode { get; set; }
     }