diff --git a/test/specs/xquik/xquik-openapi.yaml b/test/specs/xquik/xquik-openapi.yaml
new file mode 100644
index 00000000..62f470d8
--- /dev/null
+++ b/test/specs/xquik/xquik-openapi.yaml
@@ -0,0 +1,54 @@
+openapi: 3.1.0
+info:
+  title: Xquik API
+  version: "1.0"
+servers:
+  - url: https://xquik.com
+paths:
+  /api/v1/x/tweets/search:
+    get:
+      operationId: searchTweets
+      parameters:
+        - name: q
+          in: query
+          required: true
+          schema:
+            type: string
+      responses:
+        "200":
+          description: Search results.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/SearchTweetsResponse"
+      security:
+        - apiKey: []
+components:
+  securitySchemes:
+    apiKey:
+      type: apiKey
+      in: header
+      name: X-API-Key
+  schemas:
+    SearchTweetsResponse:
+      type: object
+      required:
+        - data
+      properties:
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/Tweet"
+    Tweet:
+      type: object
+      required:
+        - id
+        - text
+        - authorUsername
+      properties:
+        id:
+          type: string
+        text:
+          type: string
+        authorUsername:
+          type: string
diff --git a/test/specs/xquik/xquik.spec.js b/test/specs/xquik/xquik.spec.js
new file mode 100644
index 00000000..65c4ca2f
--- /dev/null
+++ b/test/specs/xquik/xquik.spec.js
@@ -0,0 +1,21 @@
+"use strict";
+
+const { expect } = require("chai");
+const SwaggerParser = require("../../..");
+const path = require("../../utils/path");
+
+describe("Xquik OpenAPI 3.1 fixture", () => {
+  it("validates the search endpoint and API key security scheme", async () => {
+    const api = await SwaggerParser.validate(path.rel("specs/xquik/xquik-openapi.yaml"));
+    const operation = api.paths["/api/v1/x/tweets/search"].get;
+    const scheme = api.components.securitySchemes.apiKey;
+
+    expect(api.openapi).to.equal("3.1.0");
+    expect(api.info.title).to.equal("Xquik API");
+    expect(operation.operationId).to.equal("searchTweets");
+    expect(operation.responses["200"].description).to.equal("Search results.");
+    expect(scheme.type).to.equal("apiKey");
+    expect(scheme.in).to.equal("header");
+    expect(scheme.name).to.equal("X-API-Key");
+  });
+});