diff --git a/package.json b/package.json
index eac4fa7..de8584b 100644
--- a/package.json
+++ b/package.json
@@ -31,8 +31,8 @@
   "homepage": "https://github.com/mkg20001/interface-data-exchange#readme",
   "dependencies": {},
   "devDependencies": {
-    "aegir": "^19.0.4",
-    "interface-data-exchange-devdeps": "0.1.0"
+    "aegir": "^20.0.0",
+    "interface-data-exchange-devdeps": "0.1.2"
   },
   "contributors": [
     "Maciej Krüger <mkg20001@gmail.com>"
diff --git a/src/test/index.js b/src/test/index.js
index ef6f493..e4324fc 100644
--- a/src/test/index.js
+++ b/src/test/index.js
@@ -63,7 +63,7 @@ module.exports = (common) => {
 
     it('request "test" b->a should fail', async () => {
       try {
-        const result = exchangeB.request(peerA.peerInfo.id, 'test', Buffer.from(String(num)))
+        const result = await exchangeB.request(peerA.peerInfo.id, 'test', Buffer.from(String(num)))
         expect(result).to.not.exist()
       } catch (err) {
         expect(err).to.exist()
@@ -72,7 +72,7 @@ module.exports = (common) => {
 
     it('request to non-existent peer should fail', async () => {
       try {
-        const result = exchangeB.request(peerE.id, 'test', Buffer.from(String(num)))
+        const result = await exchangeB.request(peerE.id, 'test', Buffer.from(String(num)))
         expect(result).to.not.exist()
       } catch (err) {
         expect(err).to.exist()
diff --git a/src/test/utils.js b/src/test/utils.js
index df0d756..2acd9c9 100644
--- a/src/test/utils.js
+++ b/src/test/utils.js
@@ -1,7 +1,6 @@
 'use strict'
 
 const ids = require('./ids.json')
-const promisify = require('promisify-es6')
 const Id = require('peer-id')
 const Peer = require('peer-info')
 
@@ -11,7 +10,7 @@ const MPLEX = require('libp2p-mplex')
 const SECIO = require('libp2p-secio')
 
 const createPeerInfo = async (id) => {
-  return new Peer(await promisify(Id.createFromJSON.bind(Id, ids[id]))())
+  return new Peer(await Id.createFromJSON(ids[id]))
 }
 
 const createPeer = async (id, opt) => {