diff --git a/CHANGELOG.md b/CHANGELOG.md
index e56200c7..7b388207 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# 5.7.1
+
+## Fixes
+
+- #466 Include enum-typed input fields in introspection per GraphQL spec
+
 # 5.7.0
 
 ## Changes
diff --git a/README.md b/README.md
index 3bc97244..87a89d1d 100644
--- a/README.md
+++ b/README.md
@@ -78,8 +78,6 @@ This sets up 1 end point:
 - `POST` at `/graphql` where the body of the post is a GraphQL query
 - You can authorize that route how you would any ASP.NET route. See Authorization below for details on having parts of the schema requiring Authorization/Claims
 
-_Note - As of version 1.1+ the EntityGraphQL.AspNet extension helper uses System.Text.Json. Previous versions used JSON.NET._
-
 ## 3. Build awesome applications
 
 You can now make a request to your API. For example
diff --git a/docs/docusaurus.config.js b/docs/docusaurus.config.js
index 07b67a37..ff689efa 100644
--- a/docs/docusaurus.config.js
+++ b/docs/docusaurus.config.js
@@ -1,14 +1,14 @@
 // @ts-check
 // Note: type annotations allow type checking and IDEs autocompletion
 
-const {themes} = require('prism-react-renderer');
+const { themes } = require('prism-react-renderer');
 const lightCodeTheme = themes.github;
 const darkCodeTheme = themes.dracula;
 
 /** @type {import('@docusaurus/types').Config} */
 const config = {
   title: 'Entity GraphQL',
-  tagline: 'A modern .NET Core GraphQL library',
+  tagline: 'A modern .NET GraphQL library',
   url: 'https://entitygraphql.github.io',
   baseUrl: '/',
   onBrokenLinks: 'throw',
@@ -114,10 +114,10 @@ const config = {
         apiKey: '1382a55cce60fc56fb5c6f05fb12443e',
         indexName: 'entitygraphql',
         contextualSearch: true,
-  
+
         // Optional: Algolia search parameters
         searchParameters: {},
-  
+
         // Optional: path for search page that enabled by default (`false` to disable it)
         searchPagePath: 'search',
         //... other Algolia params
diff --git a/src/EntityGraphQL.AspNet/EntityGraphQL.AspNet.csproj b/src/EntityGraphQL.AspNet/EntityGraphQL.AspNet.csproj
index da028b6d..de45b7b5 100644
--- a/src/EntityGraphQL.AspNet/EntityGraphQL.AspNet.csproj
+++ b/src/EntityGraphQL.AspNet/EntityGraphQL.AspNet.csproj
@@ -4,7 +4,7 @@
     <AssemblyName>EntityGraphQL.AspNet</AssemblyName>
     <PackageId>EntityGraphQL.AspNet</PackageId>
     <LangVersion>13</LangVersion>
-    <PackageVersion>5.7.0</PackageVersion>
+    <PackageVersion>5.7.1</PackageVersion>
     <Description>Contains ASP.NET extensions and middleware for EntityGraphQL</Description>
     <Authors>Luke Murray</Authors>
     <PackageProjectUrl>https://github.com/lukemurray/EntityGraphQL</PackageProjectUrl>
diff --git a/src/EntityGraphQL/EntityGraphQL.csproj b/src/EntityGraphQL/EntityGraphQL.csproj
index e8844fb4..13f6aaf9 100644
--- a/src/EntityGraphQL/EntityGraphQL.csproj
+++ b/src/EntityGraphQL/EntityGraphQL.csproj
@@ -4,7 +4,7 @@
     <LangVersion>13.0</LangVersion>
     <AssemblyName>EntityGraphQL</AssemblyName>
     <PackageId>EntityGraphQL</PackageId>
-    <PackageVersion>5.7.0</PackageVersion>
+    <PackageVersion>5.7.1</PackageVersion>
     <Description>A GraphQL library for .NET Core. Compiles queries into .NET Expressions (LinqProvider) for runtime execution against object graphs. E.g. against an ORM data model (EntityFramework or others) or just an in-memory object.</Description>
     <Authors>Luke Murray</Authors>
     <PackageProjectUrl>https://github.com/lukemurray/EntityGraphQL</PackageProjectUrl>
diff --git a/src/EntityGraphQL/Schema/SchemaIntrospection.cs b/src/EntityGraphQL/Schema/SchemaIntrospection.cs
index 3a494d7f..409744b3 100644
--- a/src/EntityGraphQL/Schema/SchemaIntrospection.cs
+++ b/src/EntityGraphQL/Schema/SchemaIntrospection.cs
@@ -7,7 +7,6 @@
 using EntityGraphQL.Directives;
 #endif
 
-
 namespace EntityGraphQL.Schema;
 
 public static class SchemaIntrospection
@@ -117,10 +116,6 @@ private static List<TypeElement> BuildInputTypes(ISchemaProvider schema)
                 if (field.ResolveExpression?.NodeType == System.Linq.Expressions.ExpressionType.Call)
                     continue;
 
-                // Skipping ENUM type
-                if (field.ReturnType.TypeDotnet.IsEnum)
-                    continue;
-
                 inputValues.Add(new InputValue(field.Name, BuildType(schema, field.ReturnType, field.ReturnType.TypeDotnet, true)) { Description = field.Description });
             }
 
diff --git a/src/tests/EntityGraphQL.Tests/IntrospectionTests/IntrospectionTests.cs b/src/tests/EntityGraphQL.Tests/IntrospectionTests/IntrospectionTests.cs
index d01573bd..c287017a 100644
--- a/src/tests/EntityGraphQL.Tests/IntrospectionTests/IntrospectionTests.cs
+++ b/src/tests/EntityGraphQL.Tests/IntrospectionTests/IntrospectionTests.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using EntityGraphQL.Schema;
@@ -7,6 +8,45 @@ namespace EntityGraphQL.Tests;
 
 public class IntrospectionTests
 {
+    [Fact]
+    public void IncludeEnumInputField_Introspection()
+    {
+        var schema = SchemaBuilder.FromObject<TestDataContext>();
+
+        schema.AddInputType<EnumInputArgs>("EnumInputArgs", "args with enums").AddAllFields();
+
+        var gql = new QueryRequest
+        {
+            Query =
+                @"query {
+                        __type(name: ""EnumInputArgs"") {
+                            name
+                            inputFields {
+                                name
+                                type { kind name ofType { kind name } }
+                            }
+                        }
+                    }",
+        };
+
+        var result = schema.ExecuteRequestWithContext(gql, new TestDataContext(), null, null);
+        Assert.Null(result.Errors);
+
+        var fields = (IEnumerable<dynamic>)((dynamic)result.Data!["__type"]!).inputFields;
+        Assert.Contains(fields, f => f.name == "unit");
+
+        var unitField = fields.First(f => f.name == "unit");
+        Assert.Equal("NON_NULL", unitField.type.kind);
+        Assert.Equal("ENUM", unitField.type.ofType.kind);
+        Assert.Equal("HeightUnit", unitField.type.ofType.name);
+    }
+
+    private class EnumInputArgs
+    {
+        public HeightUnit Unit { get; set; }
+        public DayOfWeek Day { get; set; }
+    }
+
     [Fact]
     public void TestGraphiQLIntrospection()
     {