diff --git a/package.json b/package.json
index 9a187a95..8bfb5767 100644
--- a/package.json
+++ b/package.json
@@ -60,11 +60,11 @@
     "cids": "^1.0.0",
     "datastore-core": "^3.0.0",
     "datastore-fs": "^3.0.0",
-    "datastore-level": "^3.0.0",
+    "datastore-level": "^4.0.0",
     "debug": "^4.1.0",
     "err-code": "^2.0.0",
     "interface-datastore": "^3.0.3",
-    "ipfs-repo-migrations": "^5.0.3",
+    "ipfs-repo-migrations": "^6.0.0",
     "ipfs-utils": "^6.0.0",
     "ipld-block": "^0.11.0",
     "it-map": "^1.0.2",
diff --git a/src/config.js b/src/config.js
index 38d25d79..146972cd 100644
--- a/src/config.js
+++ b/src/config.js
@@ -8,6 +8,10 @@ const errcode = require('err-code')
 const errors = require('./errors')
 const uint8ArrayToString = require('uint8arrays/to-string')
 const uint8ArrayFromString = require('uint8arrays/from-string')
+const {
+  hasWithFallback,
+  getWithFallback
+} = require('ipfs-repo-migrations/src/utils')
 
 const configKey = new Key('config')
 
@@ -39,7 +43,10 @@ module.exports = (store) => {
         key = undefined
       }
 
-      const encodedValue = await store.get(configKey)
+      // level-js@5.x cannot read keys from level-js@4.x dbs so fall back to
+      // using IndexedDB API with string keys - only necessary until we do
+      // the migratiion to v10 or above
+      const encodedValue = await getWithFallback(configKey, store.get.bind(store), store.has.bind(store), store)
 
       if (options.signal && options.signal.aborted) {
         return
@@ -106,7 +113,10 @@ module.exports = (store) => {
      * @returns {Promise<bool>}
      */
     async exists () { // eslint-disable-line require-await
-      return store.has(configKey)
+      // level-js@5.x cannot read keys from level-js@4.x dbs so fall back to
+      // using IndexedDB API with string keys - only necessary until we do
+      // the migratiion to v10 or above
+      return hasWithFallback(configKey, store.has.bind(store), store)
     }
   }
 
diff --git a/src/constants.js b/src/constants.js
index 4780bcc0..05c4b03a 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -1,5 +1,5 @@
 'use strict'
 
 module.exports = {
-  repoVersion: 9
+  repoVersion: 10
 }
diff --git a/src/version.js b/src/version.js
index 8064f5fa..c4371279 100644
--- a/src/version.js
+++ b/src/version.js
@@ -5,6 +5,10 @@ const debug = require('debug')
 const log = debug('ipfs:repo:version')
 const uint8ArrayToString = require('uint8arrays/to-string')
 const uint8ArrayFromString = require('uint8arrays/from-string')
+const {
+  hasWithFallback,
+  getWithFallback
+} = require('ipfs-repo-migrations/src/utils')
 
 const versionKey = new Key('version')
 
@@ -16,7 +20,10 @@ module.exports = (store) => {
      * @returns {Promise<bool>}
      */
     async exists () { // eslint-disable-line require-await
-      return store.has(versionKey)
+      // level-js@5.x cannot read keys from level-js@4.x dbs so fall back to
+      // using IndexedDB API with string keys - only necessary until we do
+      // the migratiion to v10 or above
+      return hasWithFallback(versionKey, store.has.bind(store), store)
     },
     /**
      * Get the current version.
@@ -24,7 +31,10 @@ module.exports = (store) => {
      * @returns {Promise<Integer>}
      */
     async get () {
-      const buf = await store.get(versionKey)
+      // level-js@5.x cannot read keys from level-js@4.x dbs so fall back to
+      // using IndexedDB API with string keys - only necessary until we do
+      // the migratiion to v10 or above
+      const buf = await getWithFallback(versionKey, store.get.bind(store), store.has.bind(store), store)
       return parseInt(uint8ArrayToString(buf), 10)
     },
     /**
diff --git a/test/repo-test.js b/test/repo-test.js
index f96fc30d..c86dfe21 100644
--- a/test/repo-test.js
+++ b/test/repo-test.js
@@ -56,12 +56,12 @@ module.exports = (repo) => {
 
     describe('version', () => {
       afterEach(async () => {
-        await repo.version.set(9)
+        await repo.version.set(10)
       })
 
       it('get version', async () => {
         const version = await repo.version.get()
-        expect(version).to.equal(9)
+        expect(version).to.equal(10)
       })
 
       it('set version', async () => {