diff --git a/Gopkg.lock b/Gopkg.lock
deleted file mode 100644
index d5200dd..0000000
--- a/Gopkg.lock
+++ /dev/null
@@ -1,17 +0,0 @@
-# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
-
-
-[[projects]]
-  digest = "1:aaed192cf5cddb274ec614fd9b080b77d991d8b4bbfd448714db5c96cfb5ec2b"
-  name = "github.com/orisano/usage"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "b71537bf63f73f1f118b73614ca41649ce933c12"
-  version = "1.1.0"
-
-[solve-meta]
-  analyzer-name = "dep"
-  analyzer-version = 1
-  input-imports = ["github.com/orisano/usage"]
-  solver-name = "gps-cdcl"
-  solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
deleted file mode 100644
index 9049c73..0000000
--- a/Gopkg.toml
+++ /dev/null
@@ -1,34 +0,0 @@
-# Gopkg.toml example
-#
-# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#   name = "github.com/x/y"
-#   version = "2.4.0"
-#
-# [prune]
-#   non-go = false
-#   go-tests = true
-#   unused-packages = true
-
-
-[[constraint]]
-  name = "github.com/orisano/usage"
-  version = "1.0.0"
-
-[prune]
-  go-tests = true
-  unused-packages = true
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..610f620
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/orisano/rget
+
+go 1.13
+
+require github.com/orisano/usage v0.0.0-20180830163620-b71537bf63f7
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..3670ded
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/orisano/usage v0.0.0-20180830163620-b71537bf63f7 h1:jvRJr/pgdgwNtZpmv3fadDhQh73+Hx0BdrniLThybsA=
+github.com/orisano/usage v0.0.0-20180830163620-b71537bf63f7/go.mod h1:yJZxtHYqSIHXeiYStjOSrorLRWGNv4GYUnbVlmd8xnM=