diff --git a/cli/dts/lib.dom.d.ts b/cli/dts/lib.dom.d.ts
index d1223acc6f..6f9964efc7 100644
--- a/cli/dts/lib.dom.d.ts
+++ b/cli/dts/lib.dom.d.ts
@@ -16,6 +16,7 @@ and limitations under the License.
 
 
 /// <reference no-default-lib="true"/>
+/// <reference lib="dom.extras" />
 
 
 /////////////////////////////
@@ -11554,6 +11555,7 @@ interface Response extends Body {
 declare var Response: {
     prototype: Response;
     new(body?: BodyInit | null, init?: ResponseInit): Response;
+    json(data: unknown, init?: ResponseInit): Response;
     error(): Response;
     redirect(url: string | URL, status?: number): Response;
 };