diff --git a/Rest.Net.Tests/RestClientGeneratorTests.cs b/Rest.Net.Tests/RestClientGeneratorTests.cs
new file mode 100644
index 0000000..ea3b722
--- /dev/null
+++ b/Rest.Net.Tests/RestClientGeneratorTests.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+using FluentAssertions;
+using MontoyaTech.Rest.Net;
+using System.Net;
+
+namespace Rest.Net.Tests
+{
+    public class RestClientGeneratorTests
+    {
+        [Fact]
+        public void RestClientGenerator_HttpStatusCode_Should_BeSystemType()
+        {
+            var generator = new RestClientGenerator();
+
+            generator.IsTypeDotNet(typeof(HttpStatusCode)).Should().BeTrue();
+        }
+    }
+}
diff --git a/Rest.Net/Rest.Net.csproj b/Rest.Net/Rest.Net.csproj
index f4126c6..0d9e867 100644
--- a/Rest.Net/Rest.Net.csproj
+++ b/Rest.Net/Rest.Net.csproj
@@ -17,7 +17,7 @@
     <AssemblyName>MontoyaTech.Rest.Net</AssemblyName>
     <RootNamespace>MontoyaTech.Rest.Net</RootNamespace>
     <GenerateDocumentationFile>True</GenerateDocumentationFile>
-    <Version>1.4.4</Version>
+    <Version>1.4.5</Version>
     <PackageReleaseNotes></PackageReleaseNotes>
     <PackageIcon>Logo_Symbol_Black_Outline.png</PackageIcon>
   </PropertyGroup>
diff --git a/Rest.Net/RestClientGenerator.cs b/Rest.Net/RestClientGenerator.cs
index a3cb914..ef85e7a 100644
--- a/Rest.Net/RestClientGenerator.cs
+++ b/Rest.Net/RestClientGenerator.cs
@@ -27,12 +27,11 @@ namespace MontoyaTech.Rest.Net
         /// </summary>
         /// <param name="type"></param>
         /// <returns></returns>
-        protected virtual bool IsTypeDotNet(Type type)
+        protected internal virtual bool IsTypeDotNet(Type type)
         {
-            if (type.Assembly.GetName().Name == "System.Private.CoreLib")
-                return true;
+            var assemblyName = type.Assembly.GetName().Name;
 
-            return false;
+            return assemblyName == "System.Private.CoreLib" || assemblyName == "System.Net.Primitives";
         }
 
         /// <summary>
@@ -40,7 +39,7 @@ namespace MontoyaTech.Rest.Net
         /// </summary>
         /// <param name="type"></param>
         /// <returns></returns>
-        protected virtual List<Type> FindTypeDependencies(Type type)
+        protected internal virtual List<Type> FindTypeDependencies(Type type)
         {
             var dependencies = new HashSet<Type>();
 
@@ -116,7 +115,7 @@ namespace MontoyaTech.Rest.Net
         /// </summary>
         /// <param name="route"></param>
         /// <returns></returns>
-        protected virtual List<Type> FindRouteDependencies(Route route)
+        protected internal virtual List<Type> FindRouteDependencies(Route route)
         {
             var dependencies = new HashSet<Type>();
 
@@ -187,7 +186,7 @@ namespace MontoyaTech.Rest.Net
         /// </summary>
         /// <param name="routes"></param>
         /// <returns></returns>
-        protected virtual List<Type> FindRoutesDependencies(List<Route> routes)
+        protected internal virtual List<Type> FindRoutesDependencies(List<Route> routes)
         {
             var dependencies = new HashSet<Type>();
 
@@ -209,7 +208,7 @@ namespace MontoyaTech.Rest.Net
         /// </summary>
         /// <param name="type"></param>
         /// <returns></returns>
-        protected virtual string GetTypeFullyResolvedName(Type type)
+        protected internal virtual string GetTypeFullyResolvedName(Type type)
         {
             if (this.IsTypeDotNet(type))
             {
@@ -319,7 +318,7 @@ namespace MontoyaTech.Rest.Net
         /// </summary>
         /// <param name="routes"></param>
         /// <returns></returns>
-        protected virtual Dictionary<string, List<Route>> FindRouteGroups(List<Route> routes)
+        protected internal virtual Dictionary<string, List<Route>> FindRouteGroups(List<Route> routes)
         {
             var groups = new Dictionary<string, List<Route>>();