diff --git a/deps_test.ts b/deps_test.ts
index 349f9ce..7d178b0 100644
--- a/deps_test.ts
+++ b/deps_test.ts
@@ -1,4 +1,4 @@
-export * from "https://deno.land/std@0.128.0/testing/asserts.ts";
-export * as io from "https://deno.land/std@0.128.0/io/mod.ts";
-export { delay } from "https://deno.land/std@0.128.0/async/mod.ts";
-export * as streams from "https://deno.land/std@0.128.0/streams/mod.ts";
+export * from "https://deno.land/std@0.224.0/testing/asserts.ts";
+export * as io from "https://deno.land/std@0.224.0/io/mod.ts";
+export { delay } from "https://deno.land/std@0.224.0/async/mod.ts";
+export * as streams from "https://deno.land/std@0.224.0/streams/mod.ts";
diff --git a/receiver.ts b/receiver.ts
index 4005f32..85014e9 100644
--- a/receiver.ts
+++ b/receiver.ts
@@ -1,4 +1,4 @@
-import { delay } from "https://deno.land/std@0.128.0/async/mod.ts";
+import { delay } from "https://deno.land/std@0.224.0/async/mod.ts";
 
 const DEFAULT_PATTERN = /\n/m;
 
diff --git a/sender.ts b/sender.ts
index 7976a0e..8201505 100644
--- a/sender.ts
+++ b/sender.ts
@@ -1,4 +1,4 @@
-import { writeAll } from "https://deno.land/std@0.128.0/streams/mod.ts";
+import { writeAll } from "https://deno.land/std@0.224.0/streams/mod.ts";
 
 export class Sender {
   #writer: Deno.Writer;