diff --git a/README.md b/README.md
index 87345166..8979406a 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 
 <hr />
 
-[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/honojs/hono/ci)](https://github.com/honojs/hono/actions)
+[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/honojs/hono/ci.yml?branch=main)](https://github.com/honojs/hono/actions)
 [![GitHub](https://img.shields.io/github/license/honojs/hono)](https://github.com/honojs/hono/blob/main/LICENSE)
 [![npm](https://img.shields.io/npm/v/hono)](https://www.npmjs.com/package/hono)
 [![npm](https://img.shields.io/npm/dm/hono)](https://www.npmjs.com/package/hono)
diff --git a/deno_dist/README.md b/deno_dist/README.md
index 87345166..8979406a 100644
--- a/deno_dist/README.md
+++ b/deno_dist/README.md
@@ -13,7 +13,7 @@
 
 <hr />
 
-[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/honojs/hono/ci)](https://github.com/honojs/hono/actions)
+[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/honojs/hono/ci.yml?branch=main)](https://github.com/honojs/hono/actions)
 [![GitHub](https://img.shields.io/github/license/honojs/hono)](https://github.com/honojs/hono/blob/main/LICENSE)
 [![npm](https://img.shields.io/npm/v/hono)](https://www.npmjs.com/package/hono)
 [![npm](https://img.shields.io/npm/dm/hono)](https://www.npmjs.com/package/hono)
diff --git a/deno_dist/utils/encode.ts b/deno_dist/utils/encode.ts
index 0e745847..1f780bde 100644
--- a/deno_dist/utils/encode.ts
+++ b/deno_dist/utils/encode.ts
@@ -1,4 +1,4 @@
-import { Buffer } from "https://deno.land/std@0.167.0/node/buffer.ts";
+import { Buffer } from "https://deno.land/std@0.170.0/node/buffer.ts";
 export const encodeBase64 = (str: string): string => {
   if (str === null) {
     throw new TypeError('1st argument of "encodeBase64" should not be null.')