diff --git a/lib/rspec/openapi/schema_builder.rb b/lib/rspec/openapi/schema_builder.rb
index 92999075..641c27b4 100644
--- a/lib/rspec/openapi/schema_builder.rb
+++ b/lib/rspec/openapi/schema_builder.rb
@@ -199,7 +199,14 @@ def adjust_params(value)
         adjust_params(v)
       when Array
         result = v.map do |item|
-          item.is_a?(ActionDispatch::Http::UploadedFile) ? item.original_filename : item
+          case item
+          when ActionDispatch::Http::UploadedFile
+            item.original_filename
+          when Hash
+            adjust_params(item)
+          else
+            item
+          end
         end
         value[key] = result
       end
diff --git a/spec/integration_tests/rails_test.rb b/spec/integration_tests/rails_test.rb
index 64d97a6a..65109cd1 100644
--- a/spec/integration_tests/rails_test.rb
+++ b/spec/integration_tests/rails_test.rb
@@ -161,6 +161,15 @@ class ImageTest < ActionDispatch::IntegrationTest
     post '/images/upload_multiple', params: { images: [image, image] }
     assert_response 200
   end
+
+  test 'returns a image payload with upload multiple nested' do
+    png = 'iVBORw0KGgoAAAANSUhEUgAAAAgAAAAICAAAAADhZOFXAAAADklEQVQIW2P4DwUMlDEA98A/wTjP
+    QBoAAAAASUVORK5CYII='.unpack1('m')
+    File.binwrite('test.png', png)
+    image = Rack::Test::UploadedFile.new('test.png', 'image/png')
+    post '/images/upload_multiple_nested', params: { images: [{ image: image }, { image: image }] }
+    assert_response 200
+  end
 end
 
 class ExtraRoutesTest < ActionDispatch::IntegrationTest
diff --git a/spec/rails/app/controllers/images_controller.rb b/spec/rails/app/controllers/images_controller.rb
index bcb49eb7..b2aab36e 100644
--- a/spec/rails/app/controllers/images_controller.rb
+++ b/spec/rails/app/controllers/images_controller.rb
@@ -25,6 +25,10 @@ def upload_multiple
     send_image
   end
 
+  def upload_multiple_nested
+    send_image
+  end
+
   private
 
   def send_image
diff --git a/spec/rails/config/routes.rb b/spec/rails/config/routes.rb
index a0737865..4acd108b 100644
--- a/spec/rails/config/routes.rb
+++ b/spec/rails/config/routes.rb
@@ -8,6 +8,7 @@
         post 'upload'
         post 'upload_nested'
         post 'upload_multiple'
+        post 'upload_multiple_nested'
       end
     end
     resources :users,  only: [:show, :create] do
diff --git a/spec/rails/doc/openapi.json b/spec/rails/doc/openapi.json
index 0353c573..e6518ace 100644
--- a/spec/rails/doc/openapi.json
+++ b/spec/rails/doc/openapi.json
@@ -786,9 +786,9 @@
         }
       }
     },
-    "/images/upload_multiple": {
+    "/images/upload_nested": {
       "post": {
-        "summary": "upload_multiple",
+        "summary": "upload_nested",
         "tags": [
           "Image"
         ],
@@ -798,30 +798,81 @@
               "schema": {
                 "type": "object",
                 "properties": {
-                  "images": {
-                    "type": "array",
-                    "items": {
-                      "type": "string",
-                      "format": "binary"
-                    }
+                  "nested_image": {
+                    "type": "object",
+                    "properties": {
+                      "image": {
+                        "type": "string",
+                        "format": "binary"
+                      },
+                      "caption": {
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "image",
+                      "caption"
+                    ]
                   }
                 },
                 "required": [
-                  "images"
+                  "nested_image"
                 ]
               },
               "example": {
-                "images": [
-                  "test.png",
-                  "test.png"
+                "nested_image": {
+                  "image": "test.png",
+                  "caption": "Some caption"
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "returns a image payload with upload nested",
+            "content": {
+              "image/png": {
+                "schema": {
+                  "type": "string",
+                  "format": "binary"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/images/upload": {
+      "post": {
+        "summary": "upload",
+        "tags": [
+          "Image"
+        ],
+        "requestBody": {
+          "content": {
+            "multipart/form-data": {
+              "schema": {
+                "type": "object",
+                "properties": {
+                  "image": {
+                    "type": "string",
+                    "format": "binary"
+                  }
+                },
+                "required": [
+                  "image"
                 ]
+              },
+              "example": {
+                "image": "test.png"
               }
             }
           }
         },
         "responses": {
           "200": {
-            "description": "returns a image payload with upload multiple",
+            "description": "returns a image payload with upload",
             "content": {
               "image/png": {
                 "schema": {
@@ -834,9 +885,9 @@
         }
       }
     },
-    "/images/upload_nested": {
+    "/images/upload_multiple_nested": {
       "post": {
-        "summary": "upload_nested",
+        "summary": "upload_multiple_nested",
         "tags": [
           "Image"
         ],
@@ -846,39 +897,42 @@
               "schema": {
                 "type": "object",
                 "properties": {
-                  "nested_image": {
-                    "type": "object",
-                    "properties": {
-                      "image": {
-                        "type": "string",
-                        "format": "binary"
+                  "images": {
+                    "type": "array",
+                    "items": {
+                      "type": "object",
+                      "properties": {
+                        "image": {
+                          "type": "string",
+                          "format": "binary"
+                        }
                       },
-                      "caption": {
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "image",
-                      "caption"
-                    ]
+                      "required": [
+                        "image"
+                      ]
+                    }
                   }
                 },
                 "required": [
-                  "nested_image"
+                  "images"
                 ]
               },
               "example": {
-                "nested_image": {
-                  "image": "test.png",
-                  "caption": "Some caption"
-                }
+                "images": [
+                  {
+                    "image": "test.png"
+                  },
+                  {
+                    "image": "test.png"
+                  }
+                ]
               }
             }
           }
         },
         "responses": {
           "200": {
-            "description": "returns a image payload with upload nested",
+            "description": "returns a image payload with upload multiple nested",
             "content": {
               "image/png": {
                 "schema": {
@@ -891,9 +945,9 @@
         }
       }
     },
-    "/images/upload": {
+    "/images/upload_multiple": {
       "post": {
-        "summary": "upload",
+        "summary": "upload_multiple",
         "tags": [
           "Image"
         ],
@@ -903,24 +957,30 @@
               "schema": {
                 "type": "object",
                 "properties": {
-                  "image": {
-                    "type": "string",
-                    "format": "binary"
+                  "images": {
+                    "type": "array",
+                    "items": {
+                      "type": "string",
+                      "format": "binary"
+                    }
                   }
                 },
                 "required": [
-                  "image"
+                  "images"
                 ]
               },
               "example": {
-                "image": "test.png"
+                "images": [
+                  "test.png",
+                  "test.png"
+                ]
               }
             }
           }
         },
         "responses": {
           "200": {
-            "description": "returns a image payload with upload",
+            "description": "returns a image payload with upload multiple",
             "content": {
               "image/png": {
                 "schema": {
diff --git a/spec/rails/doc/openapi.yaml b/spec/rails/doc/openapi.yaml
index c9def75f..7e7eb55d 100644
--- a/spec/rails/doc/openapi.yaml
+++ b/spec/rails/doc/openapi.yaml
@@ -526,36 +526,6 @@ paths:
               example:
               - name: file.png
                 tags: []
-  "/images/upload_multiple":
-    post:
-      summary: upload_multiple
-      tags:
-      - Image
-      requestBody:
-        content:
-          multipart/form-data:
-            schema:
-              type: object
-              properties:
-                images:
-                  type: array
-                  items:
-                    type: string
-                    format: binary
-              required:
-              - images
-            example:
-              images:
-              - test.png
-              - test.png
-      responses:
-        '200':
-          description: returns a image payload with upload multiple
-          content:
-            image/png:
-              schema:
-                type: string
-                format: binary
   "/images/upload":
     post:
       summary: upload
@@ -618,3 +588,68 @@ paths:
               schema:
                 type: string
                 format: binary
+  "/images/upload_multiple_nested":
+    post:
+      summary: upload_multiple_nested
+      tags:
+      - Image
+      requestBody:
+        content:
+          multipart/form-data:
+            schema:
+              type: object
+              properties:
+                images:
+                  type: array
+                  items:
+                    type: object
+                    properties:
+                      image:
+                        type: string
+                        format: binary
+                    required:
+                    - image
+              required:
+              - images
+            example:
+              images:
+              - image: test.png
+              - image: test.png
+      responses:
+        '200':
+          description: returns a image payload with upload multiple nested
+          content:
+            image/png:
+              schema:
+                type: string
+                format: binary
+  "/images/upload_multiple":
+    post:
+      summary: upload_multiple
+      tags:
+      - Image
+      requestBody:
+        content:
+          multipart/form-data:
+            schema:
+              type: object
+              properties:
+                images:
+                  type: array
+                  items:
+                    type: string
+                    format: binary
+              required:
+              - images
+            example:
+              images:
+              - test.png
+              - test.png
+      responses:
+        '200':
+          description: returns a image payload with upload multiple
+          content:
+            image/png:
+              schema:
+                type: string
+                format: binary
diff --git a/spec/requests/rails_spec.rb b/spec/requests/rails_spec.rb
index 186174a1..d5febe6c 100644
--- a/spec/requests/rails_spec.rb
+++ b/spec/requests/rails_spec.rb
@@ -164,6 +164,20 @@
       expect(response.status).to eq(200)
     end
   end
+
+  describe '#upload_multiple_nested' do
+    before do
+      png = 'iVBORw0KGgoAAAANSUhEUgAAAAgAAAAICAAAAADhZOFXAAAADklEQVQIW2P4DwUMlDEA98A/wTjP
+      QBoAAAAASUVORK5CYII='.unpack1('m')
+      File.binwrite('test.png', png)
+    end
+    let(:image) { Rack::Test::UploadedFile.new('test.png', 'image/png') }
+
+    it 'returns a image payload with upload multiple nested' do
+      post '/images/upload_multiple_nested', params: { images: [{ image: image }, { image: image }] }
+      expect(response.status).to eq(200)
+    end
+  end
 end
 
 RSpec.describe 'Extra routes', type: :request do