diff --git a/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs b/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs
index fde8deaad9..c048d970ed 100644
--- a/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs
+++ b/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs
@@ -210,11 +210,13 @@ private List<DataProperty> GetDataPropertiesFor(Type objectType, out Type extens
                 // See https://docs.microsoft.com/en-us/dotnet/standard/serialization/system-text-json-immutability?pivots=dotnet-6-0
                 var isDeserializedViaConstructor = false;
 
+                var isRequired = false;
+
 #if NET5_0_OR_GREATER
                 var deserializationConstructor = propertyInfo.DeclaringType?.GetConstructors()
                     .OrderBy(c =>
                     {
-                        if (c.GetCustomAttribute<System.Text.Json.Serialization.JsonConstructorAttribute>() != null) return 1;
+                        if (c.GetCustomAttribute<JsonConstructorAttribute>() != null) return 1;
                         if (c.GetParameters().Length == 0) return 2;
                         return 3;
                     })
@@ -228,11 +230,14 @@ private List<DataProperty> GetDataPropertiesFor(Type objectType, out Type extens
                             string.Equals(p.Name, name, StringComparison.OrdinalIgnoreCase);
                     });
 #endif
+#if NET7_0_OR_GREATER
+                isRequired = propertyInfo.GetCustomAttribute<JsonRequiredAttribute>() != null;
+#endif
 
                 dataProperties.Add(
                     new DataProperty(
                         name: name,
-                        isRequired: false,
+                        isRequired: isRequired,
                         isNullable: propertyInfo.PropertyType.IsReferenceOrNullableType(),
                         isReadOnly: propertyInfo.IsPubliclyReadable() && !propertyInfo.IsPubliclyWritable() && !isDeserializedViaConstructor,
                         isWriteOnly: propertyInfo.IsPubliclyWritable() && !propertyInfo.IsPubliclyReadable(),
diff --git a/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerVerifyIntegrationTest.SwaggerEndpoint_ReturnsValidSwaggerJson_For_WebApi_swaggerRequestUri=v1.verified.txt b/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerVerifyIntegrationTest.SwaggerEndpoint_ReturnsValidSwaggerJson_For_WebApi_swaggerRequestUri=v1.verified.txt
index 7349ea852c..a024a3215d 100644
--- a/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerVerifyIntegrationTest.SwaggerEndpoint_ReturnsValidSwaggerJson_For_WebApi_swaggerRequestUri=v1.verified.txt
+++ b/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerVerifyIntegrationTest.SwaggerEndpoint_ReturnsValidSwaggerJson_For_WebApi_swaggerRequestUri=v1.verified.txt
@@ -330,6 +330,35 @@
         }
       }
     },
+    "/WithOpenApi/IFromBody": {
+      "post": {
+        "tags": [
+          "WithOpenApi"
+        ],
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/OrganizationCustomExchangeRatesDto"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "type": "string"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/XmlComments/Car/{id}": {
       "get": {
         "tags": [
@@ -445,6 +474,28 @@
         },
         "additionalProperties": false
       },
+      "CurrenciesRate": {
+        "required": [
+          "currencyFrom",
+          "currencyTo"
+        ],
+        "type": "object",
+        "properties": {
+          "currencyFrom": {
+            "type": "string",
+            "nullable": true
+          },
+          "currencyTo": {
+            "type": "string",
+            "nullable": true
+          },
+          "rate": {
+            "type": "number",
+            "format": "double"
+          }
+        },
+        "additionalProperties": false
+      },
       "DateTimeKind": {
         "enum": [
           0,
@@ -465,6 +516,22 @@
         "additionalProperties": false,
         "description": "Description for Schema"
       },
+      "OrganizationCustomExchangeRatesDto": {
+        "required": [
+          "currenciesRates"
+        ],
+        "type": "object",
+        "properties": {
+          "currenciesRates": {
+            "type": "array",
+            "items": {
+              "$ref": "#/components/schemas/CurrenciesRate"
+            },
+            "nullable": true
+          }
+        },
+        "additionalProperties": false
+      },
       "Person": {
         "type": "object",
         "properties": {
diff --git a/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerVerifyIntegrationTest.TypesAreRenderedCorrectly.verified.txt b/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerVerifyIntegrationTest.TypesAreRenderedCorrectly.verified.txt
index 7349ea852c..a024a3215d 100644
--- a/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerVerifyIntegrationTest.TypesAreRenderedCorrectly.verified.txt
+++ b/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerVerifyIntegrationTest.TypesAreRenderedCorrectly.verified.txt
@@ -330,6 +330,35 @@
         }
       }
     },
+    "/WithOpenApi/IFromBody": {
+      "post": {
+        "tags": [
+          "WithOpenApi"
+        ],
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/OrganizationCustomExchangeRatesDto"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "type": "string"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/XmlComments/Car/{id}": {
       "get": {
         "tags": [
@@ -445,6 +474,28 @@
         },
         "additionalProperties": false
       },
+      "CurrenciesRate": {
+        "required": [
+          "currencyFrom",
+          "currencyTo"
+        ],
+        "type": "object",
+        "properties": {
+          "currencyFrom": {
+            "type": "string",
+            "nullable": true
+          },
+          "currencyTo": {
+            "type": "string",
+            "nullable": true
+          },
+          "rate": {
+            "type": "number",
+            "format": "double"
+          }
+        },
+        "additionalProperties": false
+      },
       "DateTimeKind": {
         "enum": [
           0,
@@ -465,6 +516,22 @@
         "additionalProperties": false,
         "description": "Description for Schema"
       },
+      "OrganizationCustomExchangeRatesDto": {
+        "required": [
+          "currenciesRates"
+        ],
+        "type": "object",
+        "properties": {
+          "currenciesRates": {
+            "type": "array",
+            "items": {
+              "$ref": "#/components/schemas/CurrenciesRate"
+            },
+            "nullable": true
+          }
+        },
+        "additionalProperties": false
+      },
       "Person": {
         "type": "object",
         "properties": {
diff --git a/test/Swashbuckle.AspNetCore.SwaggerGen.Test/Fixtures/JsonRequiredAnnotatedType.cs b/test/Swashbuckle.AspNetCore.SwaggerGen.Test/Fixtures/JsonRequiredAnnotatedType.cs
new file mode 100644
index 0000000000..200394acc6
--- /dev/null
+++ b/test/Swashbuckle.AspNetCore.SwaggerGen.Test/Fixtures/JsonRequiredAnnotatedType.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Swashbuckle.AspNetCore.SwaggerGen.Test.Fixtures;
+
+internal class JsonRequiredAnnotatedType
+{
+
+#if NET7_0_OR_GREATER
+    [JsonRequired]
+#endif
+    public string StringWithJsonRequired { get; set; }
+}
diff --git a/test/Swashbuckle.AspNetCore.SwaggerGen.Test/SchemaGenerator/JsonSerializerSchemaGeneratorTests.cs b/test/Swashbuckle.AspNetCore.SwaggerGen.Test/SchemaGenerator/JsonSerializerSchemaGeneratorTests.cs
index 11d1be49a4..6e2c10240a 100644
--- a/test/Swashbuckle.AspNetCore.SwaggerGen.Test/SchemaGenerator/JsonSerializerSchemaGeneratorTests.cs
+++ b/test/Swashbuckle.AspNetCore.SwaggerGen.Test/SchemaGenerator/JsonSerializerSchemaGeneratorTests.cs
@@ -885,6 +885,20 @@ public void GenerateSchema_HonorsSerializerAttribute_JsonPropertyName()
             Assert.Equal(new[] { "string-with-json-property-name" }, schema.Properties.Keys.ToArray());
         }
 
+#if NET7_0_OR_GREATER
+        [Fact]
+        public void GenerateSchema_HonorsSerializerAttribute_JsonRequired()
+        {
+            var schemaRepository = new SchemaRepository();
+
+            var referenceSchema = Subject().GenerateSchema(typeof(JsonRequiredAnnotatedType), schemaRepository);
+
+            var schema = schemaRepository.Schemas[referenceSchema.Reference.Id];
+            Assert.Equal(new[] { "StringWithJsonRequired" }, schema.Required.ToArray());
+            Assert.True(schema.Properties["StringWithJsonRequired"].Nullable);
+        }
+#endif
+
         [Fact]
         public void GenerateSchema_HonorsSerializerAttribute_JsonExtensionData()
         {
diff --git a/test/WebSites/WebApi/EndPoints/OpenApiEndpoints.cs b/test/WebSites/WebApi/EndPoints/OpenApiEndpoints.cs
index 49fd09297f..f8c22e9244 100644
--- a/test/WebSites/WebApi/EndPoints/OpenApiEndpoints.cs
+++ b/test/WebSites/WebApi/EndPoints/OpenApiEndpoints.cs
@@ -1,4 +1,5 @@
-using Microsoft.AspNetCore.Mvc;
+using System.Text.Json.Serialization;
+using Microsoft.AspNetCore.Mvc;
 
 namespace WebApi.EndPoints
 {
@@ -51,6 +52,11 @@ public static IEndpointRouteBuilder MapWithOpenApiEndpoints(this IEndpointRouteB
                 return $"{collection.Count} {string.Join(',', collection.Select(f => f.FileName))}";
             }).WithOpenApi();
 
+            group.MapPost("/IFromBody", (OrganizationCustomExchangeRatesDto dto) =>
+            {
+                return $"{dto}";
+            }).WithOpenApi();
+
             return app;
         }
     }
@@ -61,4 +67,6 @@ record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
     record class Person(string FirstName, string LastName);
 
     record class Address(string Street, string City, string State, string ZipCode);
+    sealed record OrganizationCustomExchangeRatesDto([property: JsonRequired] CurrenciesRate[] CurrenciesRates);
+    sealed record CurrenciesRate([property: JsonRequired] string CurrencyFrom, [property: JsonRequired] string CurrencyTo, double Rate);
 }