diff --git a/src/lib-csharp/Sources/GiteaSource.cs b/src/lib-csharp/Sources/GiteaSource.cs
index 1cf14abc..720ea1f9 100644
--- a/src/lib-csharp/Sources/GiteaSource.cs
+++ b/src/lib-csharp/Sources/GiteaSource.cs
@@ -1,28 +1,34 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 using Velopack.Util;
+
+#if NET8_0_OR_GREATER
+using JsonName = System.Text.Json.Serialization.JsonPropertyNameAttribute;
+#else
+using JsonName = Newtonsoft.Json.JsonPropertyAttribute;
+#endif
+
 namespace Velopack.Sources
 {
     /// <summary> Describes a Gitea release, including attached assets. </summary>
     public class GiteaRelease
     {
         /// <summary> The name of this release. </summary>
-        [JsonPropertyName("name")]
+        [JsonName("name")]
         public string? Name { get; set; }
 
         /// <summary> True if this release is a prerelease. </summary>
-        [JsonPropertyName("prerelease")]
+        [JsonName("prerelease")]
         public bool Prerelease { get; set; }
 
         /// <summary> The date which this release was published publicly. </summary>
-        [JsonPropertyName("published_at")]
+        [JsonName("published_at")]
         public DateTime? PublishedAt { get; set; }
 
         /// <summary> A list of assets (files) uploaded to this release. </summary>
-        [JsonPropertyName("assets")]
+        [JsonName("assets")]
         public GiteaReleaseAsset[] Assets { get; set; } = new GiteaReleaseAsset[0];
     }
     /// <summary> Describes a asset (file) uploaded to a Gitea release. </summary>
@@ -32,7 +38,7 @@ namespace Velopack.Sources
         /// The asset URL for this release asset. Requests to this URL will use API
         /// quota and return JSON unless the 'Accept' header is "application/octet-stream". 
         /// </summary>
-        [JsonPropertyName("url")]
+        [JsonName("url")]
         public string? Url { get; set; }
 
         /// <summary>  
@@ -41,11 +47,11 @@ namespace Velopack.Sources
         /// assets from a private repository, the <see cref="Url"/> property must
         /// be used with an appropriate access token.
         /// </summary>
-        [JsonPropertyName("browser_download_url")]
+        [JsonName("browser_download_url")]
         public string? BrowserDownloadUrl { get; set; }
 
         /// <summary> The name of this release asset. </summary>
-        [JsonPropertyName("name")]
+        [JsonName("name")]
         public string? Name { get; set; }
     }
 
diff --git a/src/lib-csharp/Sources/GithubSource.cs b/src/lib-csharp/Sources/GithubSource.cs
index dac9ad56..611d9063 100644
--- a/src/lib-csharp/Sources/GithubSource.cs
+++ b/src/lib-csharp/Sources/GithubSource.cs
@@ -1,29 +1,34 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 using Velopack.Util;
 
+#if NET8_0_OR_GREATER
+using JsonName = System.Text.Json.Serialization.JsonPropertyNameAttribute;
+#else
+using JsonName = Newtonsoft.Json.JsonPropertyAttribute;
+#endif
+
 namespace Velopack.Sources
 {
     /// <summary> Describes a GitHub release, including attached assets. </summary>
     public class GithubRelease
     {
         /// <summary> The name of this release. </summary>
-        [JsonPropertyName("name")]
+        [JsonName("name")]
         public string? Name { get; set; }
 
         /// <summary> True if this release is a prerelease. </summary>
-        [JsonPropertyName("prerelease")]
+        [JsonName("prerelease")]
         public bool Prerelease { get; set; }
 
         /// <summary> The date which this release was published publicly. </summary>
-        [JsonPropertyName("published_at")]
+        [JsonName("published_at")]
         public DateTime? PublishedAt { get; set; }
 
         /// <summary> A list of assets (files) uploaded to this release. </summary>
-        [JsonPropertyName("assets")]
+        [JsonName("assets")]
         public GithubReleaseAsset[] Assets { get; set; } = new GithubReleaseAsset[0];
     }
 
@@ -34,7 +39,7 @@ namespace Velopack.Sources
         /// The asset URL for this release asset. Requests to this URL will use API
         /// quota and return JSON unless the 'Accept' header is "application/octet-stream". 
         /// </summary>
-        [JsonPropertyName("url")]
+        [JsonName("url")]
         public string? Url { get; set; }
 
         /// <summary>  
@@ -43,15 +48,15 @@ namespace Velopack.Sources
         /// assets from a private repository, the <see cref="Url"/> property must
         /// be used with an appropriate access token.
         /// </summary>
-        [JsonPropertyName("browser_download_url")]
+        [JsonName("browser_download_url")]
         public string? BrowserDownloadUrl { get; set; }
 
         /// <summary> The name of this release asset. </summary>
-        [JsonPropertyName("name")]
+        [JsonName("name")]
         public string? Name { get; set; }
 
         /// <summary> The mime type of this release asset (as detected by GitHub). </summary>
-        [JsonPropertyName("content_type")]
+        [JsonName("content_type")]
         public string? ContentType { get; set; }
     }
 
diff --git a/src/lib-csharp/Sources/GitlabSource.cs b/src/lib-csharp/Sources/GitlabSource.cs
index d7312725..a51b469a 100644
--- a/src/lib-csharp/Sources/GitlabSource.cs
+++ b/src/lib-csharp/Sources/GitlabSource.cs
@@ -1,9 +1,14 @@
 using System;
 using System.Linq;
-using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 using Velopack.Util;
 
+#if NET8_0_OR_GREATER
+using JsonName = System.Text.Json.Serialization.JsonPropertyNameAttribute;
+#else
+using JsonName = Newtonsoft.Json.JsonPropertyAttribute;
+#endif
+
 namespace Velopack.Sources
 {
     /// <summary>
@@ -14,25 +19,25 @@ namespace Velopack.Sources
         /// <summary>
         /// The name of the release.
         /// </summary>
-        [JsonPropertyName("name")]
+        [JsonName("name")]
         public string? Name { get; set; }
 
         /// <summary>
         /// True if this is intended for an upcoming release.
         /// </summary>
-        [JsonPropertyName("upcoming_release")]
+        [JsonName("upcoming_release")]
         public bool UpcomingRelease { get; set; }
 
         /// <summary>
         /// The date which this release was published publicly.
         /// </summary>
-        [JsonPropertyName("released_at")]
+        [JsonName("released_at")]
         public DateTime? ReleasedAt { get; set; }
 
         /// <summary>
         /// A container for the assets (files) uploaded to this release.
         /// </summary>
-        [JsonPropertyName("assets")]
+        [JsonName("assets")]
         public GitlabReleaseAsset? Assets { get; set; }
     }
 
@@ -44,13 +49,13 @@ namespace Velopack.Sources
         /// <summary>
         /// The amount of assets linked to the release.
         /// </summary>
-        [JsonPropertyName("count")]
+        [JsonName("count")]
         public int Count { get; set; }
 
         /// <summary>
         /// A list of asset (file) links.
         /// </summary>
-        [JsonPropertyName("links")]
+        [JsonName("links")]
         public GitlabReleaseLink[] Links { get; set; } = new GitlabReleaseLink[0];
     }
 
@@ -62,13 +67,13 @@ namespace Velopack.Sources
         /// <summary>
         /// Name of the asset (file) linked.
         /// </summary>
-        [JsonPropertyName("name")]
+        [JsonName("name")]
         public string? Name { get; set; }
 
         /// <summary>
         /// The url for the asset. This make use of the Gitlab API.
         /// </summary>
-        [JsonPropertyName("url")]
+        [JsonName("url")]
         public string? Url { get; set; }
 
         /// <summary>
@@ -76,14 +81,14 @@ namespace Velopack.Sources
         /// As a posed to using the API.
         /// This links directly to the raw asset (file).
         /// </summary>
-        [JsonPropertyName("direct_asset_url")]
+        [JsonName("direct_asset_url")]
         public string? DirectAssetUrl { get; set; }
 
         /// <summary>
         /// The category type that the asset is listed under.
         /// Options: 'Package', 'Image', 'Runbook', 'Other'
         /// </summary>
-        [JsonPropertyName("link_type")]
+        [JsonName("link_type")]
         public string? Type { get; set; }
     }
 
diff --git a/src/lib-csharp/Util/CompiledJson.cs b/src/lib-csharp/Util/CompiledJson.cs
index bafa87d5..046fe178 100644
--- a/src/lib-csharp/Util/CompiledJson.cs
+++ b/src/lib-csharp/Util/CompiledJson.cs
@@ -1,39 +1,25 @@
 using System;
+using System.Collections.Generic;
 using NuGet.Versioning;
 using Velopack.Sources;
-using System.Collections.Generic;
 
-#if NET6_0_OR_GREATER
+#if NET8_0_OR_GREATER
 using System.Text.Json;
 using System.Text.Json.Serialization;
 #else
-using System.Reflection;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
-using Newtonsoft.Json.Serialization;
-#endif
-
-#if !NET6_0_OR_GREATER
-namespace System.Text.Json.Serialization
-{
-    // this is just here so our code can "use" System.Text.Json.Serialization
-    // without having conditional compilation everywhere
-    internal class JsonPlaceholderNoopDontUse { }
-}
 #endif
 
 namespace Velopack.Util
 {
-#if NET6_0_OR_GREATER
-
+#if NET8_0_OR_GREATER
     [JsonSerializable(typeof(List<GithubRelease>))]
     [JsonSerializable(typeof(List<GitlabRelease>))]
     [JsonSerializable(typeof(List<GiteaRelease>))]
     [JsonSerializable(typeof(VelopackAssetFeed))]
     [JsonSerializable(typeof(VelopackFlowReleaseAsset[]))]
-#if NET8_0_OR_GREATER
     [JsonSourceGenerationOptions(UseStringEnumConverter = true)]
-#endif
     internal partial class CompiledJsonSourceGenerationContext : JsonSerializerContext
     {
     }
@@ -47,9 +33,6 @@ namespace Velopack.Util
             WriteIndented = true,
             DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
             Converters = {
-#if !NET8_0_OR_GREATER
-                new JsonStringEnumConverter(),
-#endif
                 new SemanticVersionConverter(),
             },
         };
@@ -71,11 +54,6 @@ namespace Velopack.Util
             return JsonSerializer.Deserialize(json, Context.ListGitlabRelease);
         }
 
-        public static VelopackAsset[]? DeserializeVelopackAssetArray(string json)
-        {
-            return JsonSerializer.Deserialize(json, Context.VelopackAssetArray);
-        }
-
         public static VelopackFlowReleaseAsset[]? DeserializeVelopackFlowAssetArray(string json)
         {
             return JsonSerializer.Deserialize(json, Context.VelopackFlowReleaseAssetArray);
@@ -102,21 +80,10 @@ namespace Velopack.Util
         }
     }
 #else
-    internal class JsonPropertyNameAttribute : Attribute
-    {
-        public string Name { get; }
-
-        public JsonPropertyNameAttribute(string name)
-        {
-            Name = name;
-        }
-    }
-
     internal static class CompiledJson
     {
-        private static readonly JsonSerializerSettings Options = new JsonSerializerSettings {
+        private static readonly JsonSerializerSettings Options = new() {
             Converters = { new StringEnumConverter(), new SemanticVersionConverter() },
-            ContractResolver = new JsonNameContractResolver(),
             NullValueHandling = NullValueHandling.Ignore,
         };
 
@@ -135,11 +102,6 @@ namespace Velopack.Util
             return JsonConvert.DeserializeObject<List<GitlabRelease>>(json, Options);
         }
 
-        public static VelopackAsset[]? DeserializeVelopackAssetArray(string json)
-        {
-            return JsonConvert.DeserializeObject<VelopackAsset[]>(json, Options);
-        }
-
         public static VelopackFlowReleaseAsset[]? DeserializeVelopackFlowAssetArray(string json)
         {
             return JsonConvert.DeserializeObject<VelopackFlowReleaseAsset[]>(json, Options);
@@ -169,18 +131,5 @@ namespace Velopack.Util
             }
         }
     }
-
-    internal class JsonNameContractResolver : DefaultContractResolver
-    {
-        protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
-        {
-            JsonProperty property = base.CreateProperty(member, memberSerialization);
-            if (member.GetCustomAttribute<JsonPropertyNameAttribute>() is { } stj) {
-                property.PropertyName = stj.Name;
-                return property;
-            }
-            return property;
-        }
-    }
 #endif
 }
\ No newline at end of file
diff --git a/src/lib-csharp/Velopack.csproj b/src/lib-csharp/Velopack.csproj
index 639683f4..54f82bb9 100644
--- a/src/lib-csharp/Velopack.csproj
+++ b/src/lib-csharp/Velopack.csproj
@@ -11,7 +11,7 @@
 
   <PropertyGroup>
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
-    <IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">true</IsAotCompatible>
+    <IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">true</IsAotCompatible>
   </PropertyGroup>
 
   <ItemGroup>
@@ -34,6 +34,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" $(TargetFramework) == 'net6.0' ">
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="[6.0.0,)" />
   </ItemGroup>