diff --git a/Gopkg.lock b/Gopkg.lock
index 93398d2..f2c061e 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -3,18 +3,19 @@
 
 [[projects]]
   branch = "master"
-  name = "github.com/lestrrat/go-strftime"
+  name = "github.com/lestrrat-go/strftime"
   packages = ["."]
-  revision = "04ef93e285313c8978cbc7cad26d2aa7a9927451"
+  revision = "9948d03c6207ada6a27c7b43405f8dee04a8439e"
 
 [[projects]]
   name = "github.com/pkg/errors"
   packages = ["."]
-  revision = "248dadf4e9068a0b3e79f02ed0a610d935de5302"
+  revision = "645ef00459ed84a119197bfb8d8205042c6df63d"
+  version = "v0.8.0"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "9b9c07b24ef2eb1d899ccf470736d8e93a3cff3ece3c8de0fe255f4f608aff1a"
+  inputs-digest = "277d1b6a7424687526b7d1a02f98322b983b8c11d21bf76095c87fce938936f0"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index 35735d2..8bc3278 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -23,4 +23,4 @@
 
 [[constraint]]
   branch = "master"
-  name = "github.com/lestrrat/go-strftime"
+  name = "github.com/lestrrat-go/strftime"
diff --git a/README.md b/README.md
index baa7598..4897764 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ $ go get -u github.com/utahta/go-cronowriter
 
 API documentation can be found [here](http://godoc.org/github.com/utahta/go-cronowriter).
 
-The format specifications can be found [here](https://github.com/lestrrat/go-strftime#supported-conversion-specifications).
+The format specifications can be found [here](https://github.com/lestrrat-go/strftime#supported-conversion-specifications).
 
 ## Examples
 
diff --git a/writer.go b/writer.go
index 2f8400e..e1b2737 100644
--- a/writer.go
+++ b/writer.go
@@ -7,7 +7,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/lestrrat/go-strftime"
+	"github.com/lestrrat-go/strftime"
 )
 
 type (