diff --git a/src/index.js b/src/index.js
index 7207dc7..90f1804 100644
--- a/src/index.js
+++ b/src/index.js
@@ -356,9 +356,13 @@ class IPLDResolver {
  * @returns {void}
  */
 IPLDResolver.inMemory = function (callback) {
+  const Memdown = require('memdown')
   const repo = new IPFSRepo('in-memory', {
-    fs: MemoryStore,
-    level: require('memdown'),
+    storageBackends: {
+      root: MemoryStore,
+      blocks: MemoryStore,
+      datastore: MemoryStore
+    },
     lock: 'memory'
   })
   const blockService = new BlockService(repo)