diff --git a/Build.PL b/Build.PL
index f75952ab..630ef2fa 100644
--- a/Build.PL
+++ b/Build.PL
@@ -13,23 +13,24 @@ my $build = new Module::Build
    module_name => 'Module::Build',   
    license => 'perl',
    requires => {
-		perl           => '5.6.0',
+		perl           => '5.005_03',
 		Config         => 0,
-		Data::Dumper   => 0,
-		File::Basename => 0,
-		File::Compare  => 0,
-		File::Copy     => 0,
-		File::Find     => 0,
-		File::Path     => 0,
-		File::Spec     => 0,
-		ExtUtils::Install => 0,
+		'Data::Dumper'   => 0,
+		'File::Basename' => 0,
+		'File::Compare'  => 0,
+		'File::Copy'     => 0,
+		'File::Find'     => 0,
+		'File::Path'     => 0,
+		'File::Spec'     => 0,
+		'ExtUtils::Install' => 0,
+		'IO::File'	=> 0,
 		Cwd            => 0,
 	       },
    recommends => {
 		  YAML => 0.35,
-		  Archive::Tar => 0.23,
-		  ExtUtils::Install => 0.30,
-		  ExtUtils::ParseXS => 0,
+		  'Archive::Tar' => 0.23,
+		  'ExtUtils::Install' => 0.30,
+		  'ExtUtils::ParseXS' => 0,
 		  # Module::Signature => 0.21,  # Our support isn't good enough yet
 		 },
    build_requires => {
diff --git a/lib/Module/Build/Compat.pm b/lib/Module/Build/Compat.pm
index 78492530..a57f0f8e 100644
--- a/lib/Module/Build/Compat.pm
+++ b/lib/Module/Build/Compat.pm
@@ -4,6 +4,7 @@ $VERSION = '0.02';
 
 use strict;
 use File::Spec;
+use IO::File;
 use Config;
 
 my %makefile_to_build = 
@@ -54,7 +55,7 @@ EOF
 
 sub fake_prereqs {
   my $file = File::Spec->catfile('_build', 'prereqs');
-  open my $fh, "< $file" or die "Can't read $file: $!";
+  my $fh = IO::File->new("< $file") or die "Can't read $file: $!";
   my $prereqs = eval do {local $/; <$fh>};
   close $fh;
   
diff --git a/t/common.pl b/t/common.pl
index e8f7cd0e..24b6339e 100644
--- a/t/common.pl
+++ b/t/common.pl
@@ -15,7 +15,7 @@ sub stdout_of {
 }
 
 sub slurp {
-  open my($fh), $_[0] or die "Can't open $_[0]: $!";
+  my $fh = IO::File->new($_[0]) or die "Can't open $_[0]: $!";
   local $/;
   return <$fh>;
 }
diff --git a/t/runthrough.t b/t/runthrough.t
index 266eae33..0286ac72 100644
--- a/t/runthrough.t
+++ b/t/runthrough.t
@@ -56,7 +56,7 @@ if ($HAVE_YAML) {
   ok not -e File::Spec->catdir('Sample-0.01', 'blib');
 
   # Make sure all of the above was done by the new version of Module::Build
-  open my($fh), File::Spec->catfile($goto, 'META.yml');
+  my $fh = IO::File->new(File::Spec->catfile($goto, 'META.yml'));
   my $contents = do {local $/; <$fh>};
   ok $contents, "/Module::Build version ". $build->VERSION ."/";