diff --git a/binding/default_validator.go b/binding/default_validator.go
index 19885f16..fb0a7b8f 100644
--- a/binding/default_validator.go
+++ b/binding/default_validator.go
@@ -8,7 +8,7 @@ import (
 	"reflect"
 	"sync"
 
-	"gopkg.in/go-playground/validator.v8"
+	"gopkg.in/go-playground/validator.v9"
 )
 
 type defaultValidator struct {
@@ -30,8 +30,8 @@ func (v *defaultValidator) ValidateStruct(obj interface{}) error {
 
 func (v *defaultValidator) lazyinit() {
 	v.once.Do(func() {
-		config := &validator.Config{TagName: "binding"}
-		v.validate = validator.New(config)
+		v.validate = validator.New()
+		v.validate.SetTagName("binding")
 	})
 }
 
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 29141c4c..e396fa4d 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -97,11 +97,11 @@
 			"revisionTime": "2017-03-08T15:04:45Z"
 		},
 		{
-			"checksumSHA1": "39V1idWER42Lmcmg2Uy40wMzOlo=",
-			"comment": "v8.18.1",
-			"path": "gopkg.in/go-playground/validator.v8",
-			"revision": "5f57d2222ad794d0dffb07e664ea05e2ee07d60c",
-			"revisionTime": "2016-07-18T13:41:25Z"
+			"checksumSHA1": "bghmjNaktOtwAJkf3Vql4cofS3M=",
+			"comment": "v9.4.0",
+			"path": "gopkg.in/go-playground/validator.v9",
+			"revision": "fb68f39656d7ebf8aa339ad4917aa0c260ecc237",
+			"revisionTime": "2017-06-12T05:26:53Z"
 		},
 		{
 			"checksumSHA1": "12GqsW8PiRPnezDDy0v4brZrndM=",