diff --git a/Gopkg.lock b/Gopkg.lock
index bf1bab7e..b97972ac 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -8,10 +8,10 @@
   version = "v6"
 
 [[projects]]
+  branch = "master"
   name = "github.com/cheggaaa/pb"
   packages = ["."]
-  revision = "f6ccf2184de4dd34495277e38dc19b6e7fbe0ea2"
-  version = "v1.0.15"
+  revision = "0af82b7d15eb9371fbdf8f468ff10cbba62e0414"
 
 [[projects]]
   name = "github.com/dgrijalva/jwt-go"
@@ -59,13 +59,13 @@
   branch = "master"
   name = "github.com/kotakanbe/logrus-prefixed-formatter"
   packages = ["."]
-  revision = "5ea278a9a3f980f7cdf1dc787dc4a85ac72502d9"
+  revision = "75edb2e85a38873f0318be05a458446681d1022f"
 
 [[projects]]
   name = "github.com/labstack/echo"
-  packages = [".","context","engine","engine/standard","log","middleware"]
-  revision = "e08070379af60f5b9c0fb5bb2d1527ba9624fe43"
-  version = "v2.2.0"
+  packages = [".","middleware"]
+  revision = "935a60782cbbc55110e7bd4b33120e4567cbee43"
+  version = "v3.2.1"
 
 [[projects]]
   name = "github.com/labstack/gommon"
@@ -157,6 +157,12 @@
   packages = ["syncutil"]
   revision = "034d17a462f7b2dcd1a4a73553ec5357ff6e6c6e"
 
+[[projects]]
+  branch = "master"
+  name = "golang.org/x/crypto"
+  packages = ["acme","acme/autocert","ssh/terminal"]
+  revision = "b176d7def5d71bdd214203491f89843ed217f420"
+
 [[projects]]
   branch = "master"
   name = "golang.org/x/net"
@@ -166,7 +172,7 @@
 [[projects]]
   branch = "master"
   name = "golang.org/x/sys"
-  packages = ["unix"]
+  packages = ["unix","windows"]
   revision = "90796e5a05ce440b41c768bd9af257005e470461"
 
 [[projects]]
@@ -178,6 +184,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "38bdc26a7e008d3202f717addef99b0a0a7adaedca19e9994c625533a14dff04"
+  inputs-digest = "107b8778e8e56469493bbde2903e5090608357e5ee3b1c2341fed7e008534280"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index a85438bf..0c7e1536 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -10,3 +10,7 @@
 [[constraint]]
   name = "github.com/cheggaaa/pb"
   branch = "master"
+
+[[constraint]]
+  name = "cloud.google.com/go/storage"
+  branch = "master"
diff --git a/server/server.go b/server/server.go
index 2e944e1f..55bc419e 100644
--- a/server/server.go
+++ b/server/server.go
@@ -10,14 +10,13 @@ import (
 	"github.com/kotakanbe/go-cve-dictionary/db"
 	log "github.com/kotakanbe/go-cve-dictionary/log"
 	"github.com/labstack/echo"
-	"github.com/labstack/echo/engine/standard"
 	"github.com/labstack/echo/middleware"
 )
 
 // Start starts CVE dictionary HTTP Server.
 func Start(logDir string, driver db.DB) error {
 	e := echo.New()
-	e.SetDebug(config.Conf.Debug)
+	e.Debug = config.Conf.Debug
 
 	// Middleware
 	e.Use(middleware.Logger())
@@ -40,14 +39,14 @@ func Start(logDir string, driver db.DB) error {
 	}))
 
 	// Routes
-	e.Get("/health", health())
-	e.Get("/cves/:id", getCve(driver))
-	e.Post("/cpes", getCveByCpeName(driver))
+	e.GET("/health", health())
+	e.GET("/cves/:id", getCve(driver))
+	e.POST("/cpes", getCveByCpeName(driver))
 
 	bindURL := fmt.Sprintf("%s:%s", config.Conf.Bind, config.Conf.Port)
 	log.Infof("Listening on %s", bindURL)
 
-	e.Run(standard.New(bindURL))
+	e.Start(bindURL)
 	return nil
 }