diff --git a/packages/plugins/runtime-tmux/src/index.ts b/packages/plugins/runtime-tmux/src/index.ts
index 746d5b165..cbadf3c4f 100644
--- a/packages/plugins/runtime-tmux/src/index.ts
+++ b/packages/plugins/runtime-tmux/src/index.ts
@@ -1,5 +1,6 @@
 import { execFile } from "node:child_process";
-import { promisify, setTimeout as sleep } from "node:util";
+import { promisify } from "node:util";
+import { setTimeout as sleep } from "node:timers/promises";
 import { randomUUID } from "node:crypto";
 import { writeFileSync, unlinkSync } from "node:fs";
 import { tmpdir } from "node:os";