diff --git a/.gitignore b/.gitignore
index ac10e64..a4faaee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,7 +26,7 @@ dist
 # Dependency directory
 node_modules
 package-lock.json
-
+yarn.lock
 # Tests
 test/test-repo-for*
 test/sharness/tmp
diff --git a/migrations/index.js b/migrations/index.js
index d60161b..7d8f06c 100644
--- a/migrations/index.js
+++ b/migrations/index.js
@@ -7,15 +7,15 @@ const emptyMigration = {
   description: 'Empty migration.',
   migrate: () => {},
   revert: () => {},
-  empty: true,
+  empty: true
 }
 
 module.exports = [
-  Object.assign({}, emptyMigration, {version: 7, revert: undefined}),
-  Object.assign({}, emptyMigration, {version: 6, revert: undefined}),
-  Object.assign({}, emptyMigration, {version: 5, revert: undefined}),
-  Object.assign({}, emptyMigration, {version: 4, revert: undefined}),
-  Object.assign({}, emptyMigration, {version: 3, revert: undefined}),
-  Object.assign({}, emptyMigration, {version: 2, revert: undefined}),
-  Object.assign({}, emptyMigration, {version: 1, revert: undefined}),
+  Object.assign({}, emptyMigration, { version: 7, revert: undefined }),
+  Object.assign({}, emptyMigration, { version: 6, revert: undefined }),
+  Object.assign({}, emptyMigration, { version: 5, revert: undefined }),
+  Object.assign({}, emptyMigration, { version: 4, revert: undefined }),
+  Object.assign({}, emptyMigration, { version: 3, revert: undefined }),
+  Object.assign({}, emptyMigration, { version: 2, revert: undefined }),
+  Object.assign({}, emptyMigration, { version: 1, revert: undefined })
 ]
diff --git a/package.json b/package.json
index 86b6968..cdffa1e 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "main": "src/index.js",
   "browser": {
     "./src/repo/lock.js": "./src/repo/lock-memory.js",
-    "datastore-fs": "datastore-level"
+    "datastore-fs": "datastore-idb"
   },
   "bin": {
     "jsipfs-migrations": "./src/cli.js"
@@ -44,17 +44,19 @@
     "docs": "aegir docs"
   },
   "dependencies": {
-    "chalk": "^2.4.2",
+    "buffer": "^5.5.0",
+    "chalk": "^4.0.0",
     "datastore-fs": "~0.9.1",
-    "datastore-level": "~0.12.1",
+    "datastore-idb": "^1.0.0",
+    "datastore-level": "~0.14.1",
     "debug": "^4.1.0",
-    "interface-datastore": "~0.8.0",
+    "interface-datastore": "~0.8.3",
     "proper-lockfile": "^4.1.1",
     "yargs": "^14.2.0",
     "yargs-promise": "^1.1.0"
   },
   "devDependencies": {
-    "aegir": "^20.4.1",
+    "aegir": "^21.4.5",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
     "dirty-chai": "^2.0.1",
diff --git a/src/repo/init.js b/src/repo/init.js
index ca284e4..bf5b8cb 100644
--- a/src/repo/init.js
+++ b/src/repo/init.js
@@ -12,7 +12,7 @@ exports.isRepoInitialized = async function isRepoInitialized (path) {
   let root
   try {
     root = new Datastore(path, { extension: '', createIfMissing: false })
-
+    await root.open()
     const versionCheck = await root.has(versionKey)
     const configCheck = await root.has(configKey)
     if (!versionCheck || !configCheck) {
diff --git a/src/repo/version.js b/src/repo/version.js
index f79149b..34ec0ff 100644
--- a/src/repo/version.js
+++ b/src/repo/version.js
@@ -1,5 +1,6 @@
 'use strict'
 
+const { Buffer } = require('buffer')
 const errors = require('../errors')
 const repoInit = require('./init')
 const Datastore = require('datastore-fs')
diff --git a/test/browser.js b/test/browser.js
index b341bf9..cb707f7 100644
--- a/test/browser.js
+++ b/test/browser.js
@@ -1,8 +1,9 @@
 /* eslint-env mocha */
 'use strict'
 
+const { Buffer } = require('buffer')
 const loadFixture = require('aegir/fixtures')
-const Datastore = require('datastore-level')
+const Datastore = require('datastore-idb')
 
 const Key = require('interface-datastore').Key
 const CONFIG_KEY = new Key('config')
diff --git a/test/init-test.js b/test/init-test.js
index e9f79b4..0ceb63d 100644
--- a/test/init-test.js
+++ b/test/init-test.js
@@ -1,8 +1,8 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const expect = chai.expect
+const { Buffer } = require('buffer')
+const { expect } = require('./util')
 
 const Datastore = require('datastore-fs')
 const Key = require('interface-datastore').Key
@@ -24,7 +24,7 @@ module.exports = (setup, cleanup) => {
     const store = new Datastore(dir, { extension: '', createIfMissing: false })
     await store.open()
     await store.put(versionKey, Buffer.from('7'))
-    await store.put(configKey, '')
+    await store.put(configKey, Buffer.from('config'))
     await store.close()
 
     expect(await repoInit.isRepoInitialized(dir)).to.be.true()
diff --git a/test/integration-test.js b/test/integration-test.js
index 0ee4964..e09b929 100644
--- a/test/integration-test.js
+++ b/test/integration-test.js
@@ -1,8 +1,7 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const expect = chai.expect
+const { expect } = require('./util')
 
 const migrator = require('../src')
 const migrations = require('./test-migrations')
@@ -26,7 +25,7 @@ module.exports = (setup, cleanup) => {
     await migrator.migrate(dir, migrator.getLatestMigrationVersion(migrations), { migrations: migrations })
 
     const store = new Datastore(dir, { extension: '', createIfMissing: false })
-
+    await store.open()
     const version = await store.get(VERSION_KEY)
     expect(version.toString()).to.be.equal('2')
 
@@ -42,7 +41,7 @@ module.exports = (setup, cleanup) => {
     await migrator.revert(dir, 1, { migrations: migrations })
 
     const store = new Datastore(dir, { extension: '', createIfMissing: false })
-
+    await store.open()
     const version = await store.get(VERSION_KEY)
     expect(version.toString()).to.be.equal('1')
 
diff --git a/test/lock-test.js b/test/lock-test.js
index 48a7f10..ed6bd85 100644
--- a/test/lock-test.js
+++ b/test/lock-test.js
@@ -1,8 +1,7 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const expect = chai.expect
+const { expect } = require('./util')
 
 // When new lock mechanism is introduced in new version don't forget to update
 // the range (from/to) of the previous version test's description
diff --git a/test/test-migrations/migration-2/index.js b/test/test-migrations/migration-2/index.js
index 2db1555..a5cefce 100644
--- a/test/test-migrations/migration-2/index.js
+++ b/test/test-migrations/migration-2/index.js
@@ -1,7 +1,7 @@
 'use strict'
 
+const { Buffer } = require('buffer')
 const Datastore = require('datastore-fs')
-const path = require('path')
 const Key = require('interface-datastore').Key
 const _set = require('just-safe-set')
 
@@ -37,7 +37,7 @@ function datastoreFactory (repoPath, options) {
     storageBackendOptions = { extension: '' }
   }
 
-  return new StorageBackend(path.join(repoPath), storageBackendOptions)
+  return new StorageBackend(repoPath, storageBackendOptions)
 }
 
 function addNewApiAddress (config) {
@@ -78,6 +78,7 @@ function removeNewApiAddress (config) {
 
 async function migrate (repoPath, options, isBrowser) {
   const store = datastoreFactory(repoPath, options)
+  await store.open()
   try {
     const rawConfig = await store.get(CONFIG_KEY)
     let config = JSON.parse(rawConfig.toString())
@@ -97,7 +98,7 @@ async function migrate (repoPath, options, isBrowser) {
 
 async function revert (repoPath, options, isBrowser) {
   const store = datastoreFactory(repoPath, options)
-
+  await store.open()
   try {
     const rawConfig = await store.get(CONFIG_KEY)
     let config = JSON.parse(rawConfig.toString())
diff --git a/test/util.js b/test/util.js
new file mode 100644
index 0000000..68cfd2a
--- /dev/null
+++ b/test/util.js
@@ -0,0 +1,11 @@
+'use strict'
+const chai = require('chai')
+const expect = chai.expect
+const sinon = require('sinon')
+chai.use(require('chai-as-promised'))
+chai.use(require('dirty-chai'))
+
+module.exports = {
+  expect,
+  sinon
+}
diff --git a/test/version-test.js b/test/version-test.js
index ff55231..20aac49 100644
--- a/test/version-test.js
+++ b/test/version-test.js
@@ -1,8 +1,8 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const expect = chai.expect
+const { Buffer } = require('buffer')
+const { expect } = require('./util')
 
 const Datastore = require('datastore-fs')
 const Key = require('interface-datastore').Key