diff --git a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Extensions/TypeExtensions.cs b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Extensions/TypeExtensions.cs
index cf2a7b6f..8c2406ba 100644
--- a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Extensions/TypeExtensions.cs
+++ b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Extensions/TypeExtensions.cs
@@ -369,20 +369,23 @@ public static bool IsOpenApiNullable(this Type type, out Type underlyingType)
         }
 
         /// <summary>
-        /// Checks whether the given enum type has <see cref="JsonConverterAttribute"/> or not.
+        /// Checks whether the given enum type has <see cref="Newtonsoft.Json.JsonConverterAttribute"/> or <see cref="System.Text.Json.Serialization.JsonConverterAttribute"/> or not.
         /// </summary>
-        /// <typeparam name="T">Type of <see cref="JsonConverter"/>.</typeparam>
+        /// <typeparam name="T">Type of <see cref="Newtonsoft.Json.JsonConverter"/>.</typeparam>
+        /// <typeparam name="U">Type of <see cref="System.Text.Json.Serialization.JsonConverter"/>.</typeparam>
         /// <param name="type">Enum type.</param>
-        /// <returns>Returns <c>True</c>, if the given enum type has <see cref="JsonConverterAttribute"/>; otherwise, returns <c>False</c>.</returns>
-        public static bool HasJsonConverterAttribute<T>(this Type type) where T : JsonConverter
+        /// <returns>Returns <c>True</c>, if the given enum type has <see cref="Newtonsoft.Json.JsonConverterAttribute"/>; or <see cref="System.Text.Json.Serialization.JsonConverterAttribute"/> otherwise, returns <c>False</c>.</returns>
+        public static bool HasJsonConverterAttribute<T, U>(this Type type) where T : Newtonsoft.Json.JsonConverter where U : System.Text.Json.Serialization.JsonConverter
         {
-            var attribute = type.GetCustomAttribute<JsonConverterAttribute>(inherit: false);
-            if (attribute.IsNullOrDefault())
+            var newtonsoftAttribute = type.GetCustomAttribute<JsonConverterAttribute>(inherit: false);
+            var systemAttribute = type.GetCustomAttribute<System.Text.Json.Serialization.JsonConverterAttribute>(inherit: false);
+            if (newtonsoftAttribute is null && systemAttribute is null)
             {
                 return false;
             }
 
-            return typeof(T).IsAssignableFrom(attribute.ConverterType);
+            return (newtonsoftAttribute != null && typeof(T).IsAssignableFrom(newtonsoftAttribute.ConverterType))
+                   || (systemAttribute != null && typeof(U).IsAssignableFrom(systemAttribute.ConverterType));
         }
 
         /// <summary>
@@ -460,7 +463,7 @@ public static Type GetUnderlyingType(this Type type)
             }
 
             if (type.IsOpenApiArray())
-            {
+            {
                 underlyingType = type.GetElementType() ?? type.GetGenericArguments()[0];
             }
 
diff --git a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/ByteEnumTypeVisitor.cs b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/ByteEnumTypeVisitor.cs
index 59c916e5..3de1008c 100644
--- a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/ByteEnumTypeVisitor.cs
+++ b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/ByteEnumTypeVisitor.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Text.Json.Serialization;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Abstractions;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Attributes;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Extensions;
@@ -27,10 +28,10 @@ public ByteEnumTypeVisitor(VisitorCollection visitorCollection)
         /// <inheritdoc />
         public override bool IsVisitable(Type type)
         {
-    
+
             var isVisitable = this.IsVisitable(type, TypeCode.Byte) &&
                               type.IsUnflaggedEnumType() &&
-                              !type.HasJsonConverterAttribute<StringEnumConverter>() &&
+                              !type.HasJsonConverterAttribute<StringEnumConverter, JsonStringEnumConverter>() &&
                               Enum.GetUnderlyingType(type) == typeof(byte)
                               ;
 
diff --git a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int16EnumTypeVisitor.cs b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int16EnumTypeVisitor.cs
index 218d1ed5..d23548dc 100644
--- a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int16EnumTypeVisitor.cs
+++ b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int16EnumTypeVisitor.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-
+using System.Text.Json.Serialization;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Abstractions;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Attributes;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Extensions;
@@ -29,7 +29,7 @@ public override bool IsVisitable(Type type)
         {
             var isVisitable = this.IsVisitable(type, TypeCode.Int16) &&
                               type.IsUnflaggedEnumType() &&
-                              !type.HasJsonConverterAttribute<StringEnumConverter>() &&
+                              !type.HasJsonConverterAttribute<StringEnumConverter, JsonStringEnumConverter>() &&
                               Enum.GetUnderlyingType(type) == typeof(short)
                               ;
 
diff --git a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int32EnumTypeVisitor.cs b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int32EnumTypeVisitor.cs
index 0c5913ea..a6008b5a 100644
--- a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int32EnumTypeVisitor.cs
+++ b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int32EnumTypeVisitor.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-
+using System.Text.Json.Serialization;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Abstractions;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Attributes;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Extensions;
@@ -29,7 +29,7 @@ public override bool IsVisitable(Type type)
         {
             var isVisitable = this.IsVisitable(type, TypeCode.Int32) &&
                               type.IsUnflaggedEnumType() &&
-                              !type.HasJsonConverterAttribute<StringEnumConverter>() &&
+                              !type.HasJsonConverterAttribute<StringEnumConverter, JsonStringEnumConverter>() &&
                               Enum.GetUnderlyingType(type) == typeof(int)
                               ;
 
diff --git a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int64EnumTypeVisitor.cs b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int64EnumTypeVisitor.cs
index 0065be52..b627cc94 100644
--- a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int64EnumTypeVisitor.cs
+++ b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/Int64EnumTypeVisitor.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-
+using System.Text.Json.Serialization;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Abstractions;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Attributes;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Extensions;
@@ -29,7 +29,7 @@ public override bool IsVisitable(Type type)
         {
             var isVisitable = this.IsVisitable(type, TypeCode.Int64) &&
                               type.IsUnflaggedEnumType() &&
-                              !type.HasJsonConverterAttribute<StringEnumConverter>() &&
+                              !type.HasJsonConverterAttribute<StringEnumConverter, JsonStringEnumConverter>() &&
                               Enum.GetUnderlyingType(type) == typeof(long)
                               ;
 
diff --git a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/StringEnumTypeVisitor.cs b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/StringEnumTypeVisitor.cs
index 4e923a88..cc31acdf 100644
--- a/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/StringEnumTypeVisitor.cs
+++ b/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Visitors/StringEnumTypeVisitor.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-
+using System.Text.Json.Serialization;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Abstractions;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Attributes;
 using Microsoft.Azure.WebJobs.Extensions.OpenApi.Core.Extensions;
@@ -29,7 +29,7 @@ public override bool IsVisitable(Type type)
         {
             var isVisitable = (this.IsVisitable(type, TypeCode.Int16) || this.IsVisitable(type, TypeCode.Int32) || this.IsVisitable(type, TypeCode.Int64) || this.IsVisitable(type, TypeCode.Byte)) &&
                               type.IsUnflaggedEnumType() &&
-                              type.HasJsonConverterAttribute<StringEnumConverter>()
+                              type.HasJsonConverterAttribute<StringEnumConverter, JsonStringEnumConverter>();
                               ;
 
             return isVisitable;