diff --git a/go.mod b/go.mod
index bdd041546..cfa796d58 100644
--- a/go.mod
+++ b/go.mod
@@ -26,6 +26,7 @@ require (
 	github.com/ipfs/go-ds-flatfs v0.0.2
 	github.com/ipfs/go-ds-leveldb v0.0.2
 	github.com/ipfs/go-ds-measure v0.0.1
+	github.com/ipfs/go-filestore v0.0.1 // indirect
 	github.com/ipfs/go-fs-lock v0.0.1
 	github.com/ipfs/go-ipfs-blockstore v0.0.1
 	github.com/ipfs/go-ipfs-chunker v0.0.1
@@ -44,7 +45,7 @@ require (
 	github.com/ipfs/go-ipld-git v0.0.2
 	github.com/ipfs/go-ipns v0.0.1
 	github.com/ipfs/go-log v0.0.1
-	github.com/ipfs/go-merkledag v0.1.0
+	github.com/ipfs/go-merkledag v0.2.0
 	github.com/ipfs/go-metrics-interface v0.0.1
 	github.com/ipfs/go-metrics-prometheus v0.0.2
 	github.com/ipfs/go-mfs v0.1.0
@@ -110,6 +111,7 @@ require (
 	go4.org v0.0.0-20190313082347-94abd6928b1d // indirect
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58 // indirect
 	golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb
+	google.golang.org/appengine v1.4.0 // indirect
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 	gotest.tools/gotestsum v0.3.4
 )
diff --git a/go.sum b/go.sum
index d748d6c8b..e1c81c986 100644
--- a/go.sum
+++ b/go.sum
@@ -239,6 +239,8 @@ github.com/ipfs/go-ds-leveldb v0.0.2 h1:P5HB59Zblym0B5XYOeEyw3YtPtbpIqQCavCSWaWE
 github.com/ipfs/go-ds-leveldb v0.0.2/go.mod h1:CWFeBh5IAAscWyG/QRH+lJaAlnLWjsfPSNs4teyPUp0=
 github.com/ipfs/go-ds-measure v0.0.1 h1:PrCueug+yZLkDCOthZTXKinuoCal/GvlAT7cNxzr03g=
 github.com/ipfs/go-ds-measure v0.0.1/go.mod h1:wiH6bepKsgyNKpz3nyb4erwhhIVpIxnZbsjN1QpVbbE=
+github.com/ipfs/go-filestore v0.0.1 h1:LJkPZvA31kAXV/FIOnkoOvD8UsDTdPC8WOb5VkgBDiU=
+github.com/ipfs/go-filestore v0.0.1/go.mod h1:rTVr5W+01wWKB5wuM0Rvy49vtBoAbw5+DBF2kochxVQ=
 github.com/ipfs/go-fs-lock v0.0.1 h1:XHX8uW4jQBYWHj59XXcjg7BHlHxV9ZOYs6Y43yb7/l0=
 github.com/ipfs/go-fs-lock v0.0.1/go.mod h1:DNBekbboPKcxs1aukPSaOtFA3QfSdi5C855v0i9XJ8Y=
 github.com/ipfs/go-ipfs-blockstore v0.0.1 h1:O9n3PbmTYZoNhkgkEyrXTznbmktIXif62xLX+8dPHzc=
@@ -294,6 +296,7 @@ github.com/ipfs/go-merkledag v0.0.6 h1:rYZc0yzhO7y1cKi3Rw425a2HhEJDdLvNOWsqtmO3P
 github.com/ipfs/go-merkledag v0.0.6/go.mod h1:QYPdnlvkOg7GnQRofu9XZimC5ZW5Wi3bKys/4GQQfto=
 github.com/ipfs/go-merkledag v0.1.0 h1:CAEXjRFEDPvealQj3TgEjV1IJckwjvmxAqtq5QSXJrg=
 github.com/ipfs/go-merkledag v0.1.0/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
+github.com/ipfs/go-merkledag v0.2.0/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
 github.com/ipfs/go-metrics-interface v0.0.1 h1:j+cpbjYvu4R8zbleSs36gvB7jR+wsL2fGD6n0jO4kdg=
 github.com/ipfs/go-metrics-interface v0.0.1/go.mod h1:6s6euYU4zowdslK0GKHmqaIZ3j/b/tL7HTWtJ4VPgWY=
 github.com/ipfs/go-metrics-prometheus v0.0.2 h1:9i2iljLg12S78OhC6UAiXi176xvQGiZaGVF1CUVdE+s=