diff --git a/.gitignore b/.gitignore
index 4631e55..242db49 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /zstd-1.3.5.tar.gz
+/zstd-1.4.0.tar.gz
diff --git a/golang-github-datadog-zstd.spec b/golang-github-datadog-zstd.spec
index 5732f54..6482907 100644
--- a/golang-github-datadog-zstd.spec
+++ b/golang-github-datadog-zstd.spec
@@ -1,64 +1,51 @@
-# Run tests in check section
+# Generated by go2rpm
 %bcond_without check
 
 # https://github.com/DataDog/zstd
 %global goipath         github.com/DataDog/zstd
-Version:                1.3.5
+Version:                1.4.0
+
+%gometa
 
 %global common_description %{expand:
-Zstd wrapper for Go.}
+Zstd wrapper for go.}
 
-%gometa
+%global golicenses      LICENSE ZSTD_LICENSE
+%global godocs          README.md update.txt
 
 Name:           %{goname}
 Release:        1%{?dist}
-Summary:        Zstd wrapper for Go
-# Detected licences
-# - BSD 3-clause "New" or "Revised" License at 'LICENSE'
-# - MIT: divsufsort.c
-License:        BSD and MIT
+Summary:        Zstd wrapper for go
+
+# Upstream license specification: BSD-3-Clause
+License:        BSD
 URL:            %{gourl}
 Source0:        %{gosource}
 
-Provides:       bundled(zstd) = 1.3.4
 BuildRequires:  gcc
+Provides:       bundled(zstd) = 1.4.0
 
 %description
 %{common_description}
 
-
-%package devel
-Summary:       %{summary}
-BuildArch:     noarch
-
-%description devel
-%{common_description}
-
-This package contains library source intended for
-building other packages which use import path with
-%{goipath} prefix.
-
+%gopkg
 
 %prep
-%forgeautosetup -p1
-
+%goprep
 
 %install
-%goinstall
-
+%gopkginstall
 
 %if %{with check}
 %check
-%gochecks
+%gocheck
 %endif
 
-
-%files devel -f devel.file-list
-%license LICENSE ZSTD_LICENSE
-%doc README.md
-
+%gopkgfiles
 
 %changelog
+* Tue Apr 23 18:33:18 CEST 2019 Robert-André Mauchin <zebob.m@gmail.com> - 1.4.0-1
+- Release 1.4.0
+
 * Sun Mar 17 2019 Robert-André Mauchin <zebob.m@gmail.com> - 1.3.5-1
 - First package for Fedora
-
diff --git a/sources b/sources
index 782ed11..4983758 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (zstd-1.3.5.tar.gz) = c6d3f03770ce58d0c1682482ba807c2f98e9e188cc3f370ddfd56a47bfd3b2d7e58700df26c8e743d4f4fd195d68ce109cd2f9a80d9987d0d0f075e1b1e13b6f
+SHA512 (zstd-1.4.0.tar.gz) = 87f89969685b27c53126c3eee0920b88404e6cba2d95320dfe6a6e9eac9786d7e4fc990f182c92ee071c235e9c78951149ad83d2ca27ff8faa40ea4e116ae046