diff --git a/aspida.config.js b/aspida.config.js
index 09d2f39e..616530bf 100644
--- a/aspida.config.js
+++ b/aspida.config.js
@@ -54,6 +54,11 @@ module.exports = [
     outputEachDir: true,
     openapi: { inputFile: 'samples/path.yml' },
   },
+  {
+    input: 'samples/headers',
+    outputEachDir: true,
+    openapi: { inputFile: 'samples/headers.yml' },
+  },
   // {
   //   input: 'samples/path-at-mark',
   //   outputEachDir: true,
diff --git a/samples/headers.yml b/samples/headers.yml
new file mode 100644
index 00000000..a9644a59
--- /dev/null
+++ b/samples/headers.yml
@@ -0,0 +1,33 @@
+openapi: 3.0.0
+info:
+  version: 1.0.0
+  title: Sample
+paths:
+  /ping:
+    get:
+      responses:
+        '200':
+          description: OK
+          headers:
+            X-Simple:
+              $ref: '#/components/headers/X-Simple'
+            X-Description:
+              $ref: '#/components/headers/X-Description'
+            X-Ref:
+              $ref: '#/components/headers/X-Ref'
+          content:
+            application/json:
+              schema:
+                type: string
+                example: pong
+components:
+  headers:
+    X-Simple:
+      schema:
+        type: string
+    X-Description:
+      schema:
+        type: integer
+      description: This header has a description.
+    X-Ref:
+      $ref: '#/components/headers/X-Simple'
diff --git a/samples/headers/$api.ts b/samples/headers/$api.ts
new file mode 100644
index 00000000..dfba460a
--- /dev/null
+++ b/samples/headers/$api.ts
@@ -0,0 +1,27 @@
+import type { AspidaClient } from 'aspida';
+import type { Methods as Methods0 } from './ping';
+
+const api = <T>({ baseURL, fetch }: AspidaClient<T>) => {
+  const prefix = (baseURL === undefined ? '' : baseURL).replace(/\/$/, '');
+  const PATH0 = '/ping';
+  const GET = 'GET';
+
+  return {
+    ping: {
+      /**
+       * @returns OK
+       */
+      get: (option?: { config?: T | undefined } | undefined) =>
+        fetch<Methods0['get']['resBody'], Methods0['get']['resHeaders'], Methods0['get']['status']>(prefix, PATH0, GET, option).text(),
+      /**
+       * @returns OK
+       */
+      $get: (option?: { config?: T | undefined } | undefined) =>
+        fetch<Methods0['get']['resBody'], Methods0['get']['resHeaders'], Methods0['get']['status']>(prefix, PATH0, GET, option).text().then(r => r.body),
+      $path: () => `${prefix}${PATH0}`,
+    },
+  };
+};
+
+export type ApiInstance = ReturnType<typeof api>;
+export default api;
diff --git a/samples/headers/@types/index.ts b/samples/headers/@types/index.ts
new file mode 100644
index 00000000..b5f363d3
--- /dev/null
+++ b/samples/headers/@types/index.ts
@@ -0,0 +1,7 @@
+/* eslint-disable */
+export type X_Simple = string
+
+/** This header has a description. */
+export type X_Description = number
+
+export type X_Ref = X_Simple
diff --git a/samples/headers/ping/$api.ts b/samples/headers/ping/$api.ts
new file mode 100644
index 00000000..c2674312
--- /dev/null
+++ b/samples/headers/ping/$api.ts
@@ -0,0 +1,25 @@
+import type { AspidaClient } from 'aspida';
+import type { Methods as Methods0 } from '.';
+
+const api = <T>({ baseURL, fetch }: AspidaClient<T>) => {
+  const prefix = (baseURL === undefined ? '' : baseURL).replace(/\/$/, '');
+  const PATH0 = '/ping';
+  const GET = 'GET';
+
+  return {
+    /**
+     * @returns OK
+     */
+    get: (option?: { config?: T | undefined } | undefined) =>
+      fetch<Methods0['get']['resBody'], Methods0['get']['resHeaders'], Methods0['get']['status']>(prefix, PATH0, GET, option).text(),
+    /**
+     * @returns OK
+     */
+    $get: (option?: { config?: T | undefined } | undefined) =>
+      fetch<Methods0['get']['resBody'], Methods0['get']['resHeaders'], Methods0['get']['status']>(prefix, PATH0, GET, option).text().then(r => r.body),
+    $path: () => `${prefix}${PATH0}`,
+  };
+};
+
+export type ApiInstance = ReturnType<typeof api>;
+export default api;
diff --git a/samples/headers/ping/index.ts b/samples/headers/ping/index.ts
new file mode 100644
index 00000000..05689ab8
--- /dev/null
+++ b/samples/headers/ping/index.ts
@@ -0,0 +1,16 @@
+/* eslint-disable */
+import type * as Types from '../@types'
+
+export type Methods = {
+  get: {
+    status: 200
+    /** OK */
+    resBody: string
+
+    resHeaders: {
+      'X-Simple': Types.X_Simple
+      'X-Description': Types.X_Description
+      'X-Ref': Types.X_Ref
+    }
+  }
+}
diff --git a/src/buildV3.ts b/src/buildV3.ts
index a109809c..ad8220e9 100644
--- a/src/buildV3.ts
+++ b/src/buildV3.ts
@@ -7,6 +7,7 @@ import {
   schema2value,
 } from './builderUtils/converters';
 import getDirName from './builderUtils/getDirName';
+import headers2Props from './builderUtils/headers2Props';
 import parameters2Props from './builderUtils/parameters2Props';
 import type { Prop, PropValue } from './builderUtils/props2String';
 import { description2Doc, props2String, value2String } from './builderUtils/props2String';
@@ -28,6 +29,7 @@ export default (openapi: OpenAPIV3.Document) => {
   const parameters = parameters2Props(openapi.components?.parameters, openapi, false) || [];
   const requestBodies = requestBodies2Props(openapi.components?.requestBodies) || [];
   const responses = responses2Props(openapi.components?.responses) || [];
+  const headers = headers2Props(openapi.components?.headers) || [];
 
   files.push(
     ...Object.keys(openapi.paths)
@@ -371,7 +373,7 @@ export default (openapi: OpenAPIV3.Document) => {
   );
 
   const typesText =
-    parameters.length + schemas.length + requestBodies.length + responses.length
+    parameters.length + schemas.length + requestBodies.length + responses.length + headers.length
       ? [
           ...parameters.map(p => ({
             name: p.name,
@@ -399,6 +401,14 @@ export default (openapi: OpenAPIV3.Document) => {
                 ? r.value
                 : value2String(r.value, '').replace(/\n {2}/g, '\n'),
           })),
+          ...headers.map(h => ({
+            name: h.name,
+            description: typeof h.value === 'string' ? null : h.value.description,
+            text:
+              typeof h.value === 'string'
+                ? h.value
+                : value2String(h.value, '').replace(/\n {2}/g, '\n'),
+          })),
         ]
           .map(p => `\n${description2Doc(p.description, '')}export type ${p.name} = ${p.text}\n`)
           .join('')
diff --git a/src/builderUtils/headers2Props.ts b/src/builderUtils/headers2Props.ts
new file mode 100644
index 00000000..9a47915b
--- /dev/null
+++ b/src/builderUtils/headers2Props.ts
@@ -0,0 +1,24 @@
+import type { OpenAPIV3 } from 'openapi-types';
+import { $ref2Type, defKey2defName, isRefObject, schema2value } from './converters';
+import type { PropValue } from './props2String';
+
+export type Header = { name: string; value: string | PropValue };
+
+export default (headers: OpenAPIV3.ComponentsObject['headers']) =>
+  headers &&
+  Object.keys(headers)
+    .map(defKey => {
+      const target = headers[defKey];
+      let value: Header['value'];
+
+      if (isRefObject(target)) {
+        value = $ref2Type(target.$ref);
+      } else {
+        const result = schema2value(target.schema, false);
+        if (!result) return null;
+        value = { ...result, description: target.description ?? null };
+      }
+
+      return { name: defKey2defName(defKey), value };
+    })
+    .filter((v): v is Header => !!v);