diff --git a/.travis.yml b/.travis.yml
index f892791..5873158 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,9 +22,9 @@ matrix:
     - go: tip
 
 before_install:
-  - go get pkg.re/essentialkaos/ek.v7
+  - make deps
   - mkdir -p $GOPATH/src/pkg.re/essentialkaos
-  - ln -sf $GOPATH/src/github.com/essentialkaos/librato $GOPATH/src/pkg.re/essentialkaos/librato.v5
+  - ln -sf $GOPATH/src/github.com/essentialkaos/librato $GOPATH/src/pkg.re/essentialkaos/librato.v6
 
 script:
   - go build examples/annotations_example.go
diff --git a/Makefile b/Makefile
index 7e4d109..5ae027b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,17 @@
 ########################################################################################
 
-# This Makefile generated by GoMakeGen 0.4.0 using next command:
+# This Makefile generated by GoMakeGen 0.5.0 using next command:
 # gomakegen --metalinter .
 
 ########################################################################################
 
-.PHONY = fmt deps
+.PHONY = fmt deps metalinter
 
 ########################################################################################
 
 deps:
 	git config --global http.https://pkg.re.followRedirects true
-	go get -v pkg.re/essentialkaos/ek.v7
+	go get -d -v pkg.re/essentialkaos/ek.v8
 
 fmt:
 	find . -name "*.go" -exec gofmt -s -w {} \;
diff --git a/examples/annotations_example.go b/examples/annotations_example.go
index 555797e..82b02f8 100644
--- a/examples/annotations_example.go
+++ b/examples/annotations_example.go
@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"time"
 
-	"pkg.re/essentialkaos/librato.v5"
+	"pkg.re/essentialkaos/librato.v6"
 )
 
 // ////////////////////////////////////////////////////////////////////////////////// //
diff --git a/examples/async_example.go b/examples/async_example.go
index 09b2640..9e19071 100644
--- a/examples/async_example.go
+++ b/examples/async_example.go
@@ -6,9 +6,9 @@ import (
 	"fmt"
 	"time"
 
-	"pkg.re/essentialkaos/ek.v7/rand"
+	"pkg.re/essentialkaos/ek.v8/rand"
 
-	"pkg.re/essentialkaos/librato.v5"
+	"pkg.re/essentialkaos/librato.v6"
 )
 
 // ////////////////////////////////////////////////////////////////////////////////// //
diff --git a/examples/basic_example.go b/examples/basic_example.go
index 83acc74..ae3fa0f 100644
--- a/examples/basic_example.go
+++ b/examples/basic_example.go
@@ -6,9 +6,9 @@ import (
 	"fmt"
 	"time"
 
-	"pkg.re/essentialkaos/ek.v7/rand"
+	"pkg.re/essentialkaos/ek.v8/rand"
 
-	"pkg.re/essentialkaos/librato.v5"
+	"pkg.re/essentialkaos/librato.v6"
 )
 
 // ////////////////////////////////////////////////////////////////////////////////// //
diff --git a/examples/collector_example.go b/examples/collector_example.go
index 41161d9..91cd265 100644
--- a/examples/collector_example.go
+++ b/examples/collector_example.go
@@ -6,9 +6,9 @@ import (
 	"fmt"
 	"time"
 
-	"pkg.re/essentialkaos/ek.v7/rand"
+	"pkg.re/essentialkaos/ek.v8/rand"
 
-	"pkg.re/essentialkaos/librato.v5"
+	"pkg.re/essentialkaos/librato.v6"
 )
 
 // ////////////////////////////////////////////////////////////////////////////////// //
diff --git a/librato.go b/librato.go
index 6db0a75..571e8b8 100644
--- a/librato.go
+++ b/librato.go
@@ -15,14 +15,14 @@ import (
 	"strings"
 	"time"
 
-	"pkg.re/essentialkaos/ek.v7/req"
-	"pkg.re/essentialkaos/ek.v7/timeutil"
+	"pkg.re/essentialkaos/ek.v8/req"
+	"pkg.re/essentialkaos/ek.v8/timeutil"
 )
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
 // VERSION contains current version of librato package and used as part of User-Agent
-const VERSION = "5.0.0"
+const VERSION = "6.0.0"
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
diff --git a/readme.md b/readme.md
index 8cd035f..a10f7f2 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,4 @@
-# Librato [![GoDoc](https://godoc.org/pkg.re/essentialkaos/librato.v5?status.svg)](https://godoc.org/pkg.re/essentialkaos/librato.v5) [![Build Status](https://travis-ci.org/essentialkaos/librato.svg?branch=master)](https://travis-ci.org/essentialkaos/librato) [![Go Report Card](https://goreportcard.com/badge/github.com/essentialkaos/librato)](https://goreportcard.com/report/github.com/essentialkaos/librato) [![codebeat badge](https://codebeat.co/badges/f82e704d-67a7-4c6f-9e5d-1acf058c937b)](https://codebeat.co/projects/github-com-essentialkaos-librato) [![License](https://gh.kaos.io/ekol.svg)](https://essentialkaos.com/ekol)
+# Librato [![GoDoc](https://godoc.org/pkg.re/essentialkaos/librato.v6?status.svg)](https://godoc.org/pkg.re/essentialkaos/librato.v6) [![Build Status](https://travis-ci.org/essentialkaos/librato.svg?branch=master)](https://travis-ci.org/essentialkaos/librato) [![Go Report Card](https://goreportcard.com/badge/github.com/essentialkaos/librato)](https://goreportcard.com/report/github.com/essentialkaos/librato) [![codebeat badge](https://codebeat.co/badges/f82e704d-67a7-4c6f-9e5d-1acf058c937b)](https://codebeat.co/projects/github-com-essentialkaos-librato) [![License](https://gh.kaos.io/ekol.svg)](https://essentialkaos.com/ekol)
 
 Package for working with [Librato Metrics](https://www.librato.com) API from Go code.
 
@@ -13,13 +13,13 @@ git config --global http.https://pkg.re.followRedirects true
 Make sure you have a working Go 1.6+ workspace ([instructions](https://golang.org/doc/install)), then
 
 ```
-go get pkg.re/essentialkaos/librato.v5
+go get pkg.re/essentialkaos/librato.v6
 ```
 
 For update to latest stable release, do:
 
 ```
-go get -u pkg.re/essentialkaos/librato.v5
+go get -u pkg.re/essentialkaos/librato.v6
 ```
 
 ## Examples