diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index 5069ce0..df032ac 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -1,13 +1,15 @@
 {
 	"ImportPath": "github.com/stretchr/testify",
 	"GoVersion": "go1.5",
+	"GodepVersion": "v74",
 	"Packages": [
 		"./..."
 	],
 	"Deps": [
 		{
 			"ImportPath": "github.com/davecgh/go-spew/spew",
-			"Rev": "5215b55f46b2b919f50a1df0eaa5886afe4e3b3d"
+			"Comment": "v1.0.0-3-g6d21280",
+			"Rev": "6d212800a42e8ab5c146b8ace3490ee17e5225f9"
 		},
 		{
 			"ImportPath": "github.com/pmezard/go-difflib/difflib",
diff --git a/vendor/github.com/davecgh/go-spew/LICENSE b/vendor/github.com/davecgh/go-spew/LICENSE
index 2a7cfd2..bb67332 100644
--- a/vendor/github.com/davecgh/go-spew/LICENSE
+++ b/vendor/github.com/davecgh/go-spew/LICENSE
@@ -1,3 +1,5 @@
+ISC License
+
 Copyright (c) 2012-2013 Dave Collins <dave@davec.name>
 
 Permission to use, copy, modify, and distribute this software for any
diff --git a/vendor/github.com/davecgh/go-spew/spew/bypass.go b/vendor/github.com/davecgh/go-spew/spew/bypass.go
index 565bf58..d42a0bc 100644
--- a/vendor/github.com/davecgh/go-spew/spew/bypass.go
+++ b/vendor/github.com/davecgh/go-spew/spew/bypass.go
@@ -13,9 +13,10 @@
 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 // NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is not running on Google App Engine and "-tags disableunsafe"
-// is not added to the go build command line.
-// +build !appengine,!disableunsafe
+// when the code is not running on Google App Engine, compiled by GopherJS, and
+// "-tags safe" is not added to the go build command line.  The "disableunsafe"
+// tag is deprecated and thus should not be used.
+// +build !js,!appengine,!safe,!disableunsafe
 
 package spew
 
diff --git a/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go b/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go
index 457e412..e47a4e7 100644
--- a/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go
+++ b/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go
@@ -13,9 +13,10 @@
 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 // NOTE: Due to the following build constraints, this file will only be compiled
-// when either the code is running on Google App Engine or "-tags disableunsafe"
-// is added to the go build command line.
-// +build appengine disableunsafe
+// when the code is running on Google App Engine, compiled by GopherJS, or
+// "-tags safe" is added to the go build command line.  The "disableunsafe"
+// tag is deprecated and thus should not be used.
+// +build js appengine safe disableunsafe
 
 package spew
 
diff --git a/vendor/github.com/davecgh/go-spew/spew/config.go b/vendor/github.com/davecgh/go-spew/spew/config.go
index ee1ab07..5552827 100644
--- a/vendor/github.com/davecgh/go-spew/spew/config.go
+++ b/vendor/github.com/davecgh/go-spew/spew/config.go
@@ -64,7 +64,7 @@ type ConfigState struct {
 	// inside these interface methods.  As a result, this option relies on
 	// access to the unsafe package, so it will not have any effect when
 	// running in environments without access to the unsafe package such as
-	// Google App Engine or with the "disableunsafe" build tag specified.
+	// Google App Engine or with the "safe" build tag specified.
 	DisablePointerMethods bool
 
 	// ContinueOnMethod specifies whether or not recursion should continue once