diff --git a/.gitignore b/.gitignore
index 0e90fc6..fd30f53 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /Alien-Build-1.32.tar.gz
 /Alien-Build-1.36.tar.gz
 /Alien-Build-1.37.tar.gz
+/Alien-Build-1.39.tar.gz
diff --git a/Alien-Build-1.37-Remove-redundant-pkgconfig-implementations.patch b/Alien-Build-1.39-Remove-redundant-pkgconfig-implementations.patch
similarity index 96%
rename from Alien-Build-1.37-Remove-redundant-pkgconfig-implementations.patch
rename to Alien-Build-1.39-Remove-redundant-pkgconfig-implementations.patch
index 6379243..57c52cf 100644
--- a/Alien-Build-1.37-Remove-redundant-pkgconfig-implementations.patch
+++ b/Alien-Build-1.39-Remove-redundant-pkgconfig-implementations.patch
@@ -1,4 +1,4 @@
-From 9cfe8835fcac12495c50e6b66727b310e40c4ca3 Mon Sep 17 00:00:00 2001
+From b835197a8a160a4e88a52789264f9d3622026c2d Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
 Date: Fri, 8 Sep 2017 11:31:02 +0200
 Subject: [PATCH] Remove redundant pkgconfig implementations
@@ -14,11 +14,11 @@ Signed-off-by: Petr Písař <ppisar@redhat.com>
 ---
  MANIFEST                                         |   4 -
  Makefile.PL                                      |   4 +-
- lib/Alien/Build/Plugin/PkgConfig/Negotiate.pm    |  16 +--
+ lib/Alien/Build/Plugin/PkgConfig/Negotiate.pm    |  19 +--
  t/01_use.t                                       |   4 -
  t/alien_build_plugin_pkgconfig_negotiate.t       |   2 +-
  t/alien_build_plugin_pkgconfig_negotiate__pick.t | 153 ++---------------------
- 6 files changed, 11 insertions(+), 172 deletions(-)
+ 6 files changed, 11 insertions(+), 175 deletions(-)
 
 diff --git a/MANIFEST b/MANIFEST
 index 559f19f..0e0a343 100644
@@ -50,7 +50,7 @@ index 559f19f..0e0a343 100644
  t/alien_build_plugin_prefer_sortversions.t
  t/alien_build_plugin_probe_cbuilder.t
 diff --git a/Makefile.PL b/Makefile.PL
-index 3551946..5870959 100644
+index cb1fa71..553de9b 100644
 --- a/Makefile.PL
 +++ b/Makefile.PL
 @@ -74,11 +74,9 @@ my %WriteMakefileArgs = (
@@ -73,7 +73,7 @@ index 3551946..5870959 100644
 \ No newline at end of file
 +}
 diff --git a/lib/Alien/Build/Plugin/PkgConfig/Negotiate.pm b/lib/Alien/Build/Plugin/PkgConfig/Negotiate.pm
-index fd1b816..6dce136 100644
+index 89622cf..7388c3a 100644
 --- a/lib/Alien/Build/Plugin/PkgConfig/Negotiate.pm
 +++ b/lib/Alien/Build/Plugin/PkgConfig/Negotiate.pm
 @@ -3,9 +3,7 @@ package Alien::Build::Plugin::PkgConfig::Negotiate;
@@ -86,12 +86,15 @@ index fd1b816..6dce136 100644
  use Alien::Build::Util qw( _perl_config );
  use Carp ();
  
-@@ -32,18 +30,6 @@ sub pick
+@@ -31,21 +29,6 @@ sub pick
+   {
      return 'PkgConfig::LibPkgConf';
    }
-   
+-  
 -  if(Alien::Build::Plugin::PkgConfig::CommandLine->available)
 -  {
+-    # TODO: determine environment or flags necessary for using pkg-config
+-    # on solaris 64 bit.
 -    if(! (_perl_config('osname') eq 'solaris' && _perl_config('ptrsize') == 8))
 -    {
 -      return 'PkgConfig::CommandLine';
@@ -105,7 +108,7 @@ index fd1b816..6dce136 100644
    else
    {
      # this is a fata error.  because we check for a pkg-config implementation
-@@ -51,7 +37,7 @@ sub pick
+@@ -53,7 +36,7 @@ sub pick
      # fallback on installing PkgConfig.pm as a prereq if nothing else is avail).
      # we therefore expect at least one of these to work, if not, then the configuration
      # of the system has shifted from underneath us.
@@ -333,5 +336,5 @@ index 105c6b6..db886f8 100644
  done_testing;
  
 -- 
-2.13.6
+2.14.3
 
diff --git a/perl-Alien-Build.spec b/perl-Alien-Build.spec
index a696ff3..ac92b88 100644
--- a/perl-Alien-Build.spec
+++ b/perl-Alien-Build.spec
@@ -2,7 +2,7 @@
 %{bcond_without perl_Alien_Build_enables_optional_test}
 
 Name:           perl-Alien-Build
-Version:        1.37
+Version:        1.39
 Release:        1%{?dist}
 Summary:        Build external dependencies for use in CPAN
 License:        GPL+ or Artistic
@@ -10,7 +10,7 @@ URL:            http://search.cpan.org/dist/Alien-Build/
 Source0:        http://www.cpan.org/authors/id/P/PL/PLICEASE/Alien-Build-%{version}.tar.gz
 # Support only the most advanced pkgconfig implementation,
 # the files are deleted in prep section
-Patch0:         Alien-Build-1.37-Remove-redundant-pkgconfig-implementations.patch
+Patch0:         Alien-Build-1.39-Remove-redundant-pkgconfig-implementations.patch
 BuildArch:      noarch
 BuildRequires:  make
 BuildRequires:  perl-generators
@@ -181,6 +181,9 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Mon Mar 12 2018 Petr Pisar <ppisar@redhat.com> - 1.39-1
+- 1.39 bump
+
 * Mon Feb 26 2018 Petr Pisar <ppisar@redhat.com> - 1.37-1
 - 1.37 bump
 
diff --git a/sources b/sources
index 9d1f14e..72eb34f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (Alien-Build-1.37.tar.gz) = 16ffb70bc01f00a26ce0f43dc3d6d7f195ac61ff5a8bd5784a42c5a59caebe6e6beec3f46d2d04ea8fc55f9201fa09704f1f120743f541cb3d7ec6c6e7cb52ff
+SHA512 (Alien-Build-1.39.tar.gz) = dbe5cec2cb9b681b35717721ca7958f9464a8d0979e6f3a4cbbf31833ef32938b2de649517f38e447d13a070a1676ab9fe8b4ebcd9ee639b7c75b0ea47d0089a