diff --git a/.gx/lastpubver b/.gx/lastpubver
index ad1af5ae976570fb065cf093dc3756b1bd367277..21ff7509c12203077be18fec1ed337aa009b23b9 100644
--- a/.gx/lastpubver
+++ b/.gx/lastpubver
@@ -1 +1 @@
-4.0.0: QmX663j2gE9igSEw1zMbtbEGJ2vX1Po3r38yq9GTxtr7Q6
+4.0.1: QmcRa2qn6iCmap9bjp8jAwkvYAq13AUfxdY3rrYiaJbLum
diff --git a/.travis.yml b/.travis.yml
index 1b2ce8d8cf9329c6dd7f42c13d1640e3ae255aba..22556c243950f45d86507f581f6ce65d61166f06 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,16 +7,18 @@ language: go
 go:
     - 1.7
 
-env:
-    - GO15VENDOREXPERIMENT=1
-
 install: true
 
-script:
+before_install:
   - make deps
-  - gx-go rewrite
-  - go test ./p2p/...
+
+#- go vet ./...
+script:
+  - go test ./... -v
 
 cache:
     directories:
         - $GOPATH/src/gx
+
+notifications:
+  email: false
diff --git a/Makefile b/Makefile
index eba7bbc327339ce44c6f2e02554a4b536ece2171..0344faddd13b198ef7284dc7354ff3db8676ef6d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,11 @@
-export IPFS_API ?= v04x.ipfs.io
-
 gx:
-	go get -u github.com/whyrusleeping/gx
-	go get -u github.com/whyrusleeping/gx-go
+	go get github.com/whyrusleeping/gx
+	go get github.com/whyrusleeping/gx-go
 
-deps: gx
+deps: gx 
 	gx --verbose install --global
+	gx-go rewrite
+
+publish:
+	gx-go rewrite --undo
+
diff --git a/p2p/protocol/relay/relay.go b/p2p/protocol/relay/relay.go
index dabda1ae644d6dd46560c2f58aa6cc388c7f2513..1256ff9343f87268c3515c96d7e5be64ea4e3658 100644
--- a/p2p/protocol/relay/relay.go
+++ b/p2p/protocol/relay/relay.go
@@ -9,10 +9,10 @@ import (
 	host "github.com/libp2p/go-libp2p-host"
 
 	logging "github.com/ipfs/go-log"
-	mh "github.com/jbenet/go-multihash"
 	inet "github.com/libp2p/go-libp2p-net"
 	peer "github.com/libp2p/go-libp2p-peer"
 	protocol "github.com/libp2p/go-libp2p-protocol"
+	mh "github.com/multiformats/go-multihash"
 )
 
 var log = logging.Logger("protocol/relay")
diff --git a/package.json b/package.json
index ca78bcea52d6b7ac948a9212c75ecc135548beac..f1b49e5fdcb03ac41d5e94eeb8edb0175f0feb3f 100644
--- a/package.json
+++ b/package.json
@@ -255,6 +255,6 @@
   "license": "MIT",
   "name": "go-libp2p",
   "releaseCmd": "git commit -a -m \"gx publish $VERSION\"",
-  "version": "4.0.0"
+  "version": "4.0.1"
 }