diff --git a/package.json b/package.json
index 155d9174..d1fb53b9 100644
--- a/package.json
+++ b/package.json
@@ -40,8 +40,8 @@
     "buffer-loader": "0.0.1",
     "chai": "^3.5.0",
     "fs-blob-store": "^5.2.1",
-    "idb-plus-blob-store": "^1.0.0",
-    "ipfs-repo": "^0.6.1",
+    "idb-plus-blob-store": "^1.1.1",
+    "ipfs-repo": "^0.6.6",
     "ncp": "^2.0.0",
     "pre-commit": "^1.1.2",
     "raw-loader": "^0.5.1",
@@ -54,10 +54,10 @@
     "block-stream2": "^1.1.0",
     "debug": "^2.2.0",
     "eventemitter2": "^1.0.0",
-    "ipfs-blocks": "^0.2.0",
+    "ipfs-blocks": "^0.2.1",
     "ipfs-merkle-dag": "^0.4.0",
     "ipfs-unixfs": "^0.1.0",
-    "readable-stream": "2.0.6",
+    "readable-stream": "^1.1.13",
     "through2": "^2.0.0"
   },
   "contributors": [
diff --git a/src/importer.js b/src/importer.js
index a22d06a5..ff58a0e1 100644
--- a/src/importer.js
+++ b/src/importer.js
@@ -41,7 +41,8 @@ function Importer (dagService, options) {
       n.data = d.marshal()
       dagService.add(n, (err) => {
         if (err) {
-          return this.emit('err', 'Failed to store' + fl.path)
+          this.emit('error', `Failed to store: ${fl.path}`)
+          return
         }
         const el = {
           path: fl.path,
@@ -72,9 +73,10 @@ function Importer (dagService, options) {
         const l = new UnixFS('file', chunk)
         const n = new merkleDAG.DAGNode(l.marshal())
 
-        dagService.add(n, function (err) {
+        dagService.add(n, (err) => {
           if (err) {
-            return this.emit('err', 'Failed to store chunk of' + fl.path)
+            this.emit('error', `Failed to store chunk of: ${fl.path}`)
+            return cb(err)
           }
 
           leaves.push({
@@ -118,7 +120,7 @@ function Importer (dagService, options) {
         n.data = f.marshal()
         dagService.add(n, (err) => {
           if (err) {
-            this.emit('err', 'Failed to store' + fl.path)
+            this.emit('error', `Failed to store: ${fl.path}`)
             return cb()
           }
 
@@ -134,6 +136,7 @@ function Importer (dagService, options) {
           return done(cb)
         })
       }))
+
     function done (cb) {
       counter--
       cb()
@@ -242,7 +245,7 @@ function Importer (dagService, options) {
       n.data = d.marshal()
       dagService.add(n, (err) => {
         if (err) {
-          this.emit('err', 'failed to store dirNode')
+          this.emit('error', 'failed to store dirNode')
         }
       })
 
diff --git a/test/test-importer.js b/test/test-importer.js
index 0324b61f..69ec06a4 100644
--- a/test/test-importer.js
+++ b/test/test-importer.js
@@ -68,7 +68,7 @@ module.exports = function (repo) {
           done()
         }
       })
-      i.on('err', (err) => {
+      i.on('error', (err) => {
         expect(err).to.not.exist
       })
       i.add({path: 'foo/bar/200Bytes.txt', stream: r})
@@ -152,7 +152,7 @@ module.exports = function (repo) {
           done()
         }
       })
-      i.on('err', (err) => {
+      i.on('error', (err) => {
         expect(err).to.not.exist
       })
       i.add({path: 'pim/200Bytes.txt', stream: r1})
@@ -193,7 +193,7 @@ module.exports = function (repo) {
           done()
         }
       })
-      i.on('err', (err) => {
+      i.on('error', (err) => {
         expect(err).to.not.exist
       })
       i.add({path: 'pam/pum/200Bytes.txt', stream: r1})