diff --git a/Makefile.PL b/Makefile.PL
index 1a81a22..7d2e69b 100755
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -1,9 +1,49 @@
 use ExtUtils::MakeMaker;
 
-WriteMakefile(
+WriteMakefile1(
     'NAME'	=> 'File::lockf',
     'VERSION_FROM' => 'lockf.pm',
     'LIBS'	=> [''],
     'DEFINE'	=> '',
     'INC'	=> '',
+    LICENSE => 'GPL',
+    META_MERGE => {
+        'meta-spec' => { version => 2 },
+        resources => {
+            repository => {
+                type => 'git',
+                url => 'git://github.com/pbhenson/File-Lockf.git',
+                web => 'https://github.com/pbhenson/File-Lockf',
+            },
+        },
+    },
 );
+
+sub WriteMakefile1 {  #Compatibility code for old versions of EU::MM. Written by Alexandr Ciornii, version 2. Added by eumm-upgrade.
+    my %params=@_;
+    my $eumm_version=$ExtUtils::MakeMaker::VERSION;
+    $eumm_version=eval $eumm_version;
+    die "EXTRA_META is deprecated" if exists $params{EXTRA_META};
+    die "License not specified" if not exists $params{LICENSE};
+    if ($params{AUTHOR} and ref($params{AUTHOR}) eq 'ARRAY' and $eumm_version < 6.5705) {
+        $params{META_ADD}->{author}=$params{AUTHOR};
+        $params{AUTHOR}=join(', ',@{$params{AUTHOR}});
+    }
+    if ($params{TEST_REQUIRES} and $eumm_version < 6.64) {
+        $params{BUILD_REQUIRES}={ %{$params{BUILD_REQUIRES} || {}} , %{$params{TEST_REQUIRES}} };
+        delete $params{TEST_REQUIRES};
+    }
+    if ($params{BUILD_REQUIRES} and $eumm_version < 6.5503) {
+        #EUMM 6.5502 has problems with BUILD_REQUIRES
+        $params{PREREQ_PM}={ %{$params{PREREQ_PM} || {}} , %{$params{BUILD_REQUIRES}} };
+        delete $params{BUILD_REQUIRES};
+    }
+    delete $params{CONFIGURE_REQUIRES} if $eumm_version < 6.52;
+    delete $params{MIN_PERL_VERSION} if $eumm_version < 6.48;
+    delete $params{META_MERGE} if $eumm_version < 6.46;
+    delete $params{META_ADD} if $eumm_version < 6.46;
+    delete $params{LICENSE} if $eumm_version < 6.31;
+
+    WriteMakefile(%params);
+}
+