diff --git a/stepmania/PBProject/scripts/mkrelease.pl b/stepmania/PBProject/scripts/mkrelease.pl
index fd1a32cfaf..556bf768c3 100755
--- a/stepmania/PBProject/scripts/mkrelease.pl
+++ b/stepmania/PBProject/scripts/mkrelease.pl
@@ -7,28 +7,6 @@ use File::Basename;
 use File::Temp qw/tempfile tempdir/;
 use Cwd;
 
-my @filelist = qw( Announcers/instructions.txt
-		   BackgroundTransitions
-		   BackgroundEffects
-		   BGAnimations/instructions.txt
-		   CDTitles/Instructions.txt
-		   Characters/default
-		   Characters/Instructions.txt
-		   Courses/instructions.txt
-		   Courses/Samples
-		   Packages/Instructions.txt
-		   NoteSkins/instructions.txt
-		   NoteSkins/common/common
-		   NoteSkins/dance/default
-		   RandomMovies/instructions.txt
-		   Songs/Instructions.txt
-		   Themes/instructions.txt
-		   Themes/default
-		   Data/Translations.xml
-		   Data/AI.ini
-		   Data/Shaders
-		   Data/splash.png
-		   StepMania.app );
 my @docs = ( "BGAnimation conditionals.txt",
 	     "BMA-fmt.txt",
 	     "ConditionalBGA Info.txt",
@@ -64,117 +42,17 @@ my $destname = @ARGV ? "$id-$ARGV[0]" : "$family-$ver";
 
 $destname =~ s/\s+/-/g;
 
-my $destdir = tempdir;
-my $smdir = "$destdir/$id";
-my $pkg = "$root/$destname.pkg";
-my $zip = "$root/$destname-mac.zip";
+my $tmp = tempdir;
 
-for( @filelist )
-{
-	mkpath "$smdir/" . dirname $_;
-	system 'cp', '-r', "$srcdir/$_", "$smdir/$_" and die "cp -r failed: $!\n";
-}
+# Copy StepMania and make smzip
+system 'cp', '-r', "$srcdir/StepMania.app", $tmp and die "cp -r failed: $!\n";
+system 'strip', '-x', "$tmp/StepMania.app/Contents/MacOS/StepMania";
+system "$srcdir/Utils/mksmdata.pl", $srcdir, "$tmp/StepMania.app/Contents/Resources" and die "mksmdata.pl failed: $!\n";
 
 # Copy docs
-mkdir "$smdir/Docs";
-copy "$srcdir/Docs/$_", "$smdir/Docs/$_" for @docs;
+mkdir "$tmp/Docs";
+copy "$srcdir/Docs/$_", "$tmp/Docs/$_" for @docs;
 
-#clean up CVS directories
-my @cvsdirs = split /\n/, `find "$smdir" -type d -name CVS`;
-rmtree \@cvsdirs;
-system 'strip', '-x', "$smdir/StepMania.app/Contents/MacOS/StepMania";
-
-my ($ih, $infoname) = tempfile;
-my ($dh, $descname) = tempfile;
-my $year = 1900+(localtime)[5];
-
-$ver =~ /(\d+)\.(\d+)/;
-my ($major, $minor) = ($1, $2);
-$major ||= 0;
-$minor ||= 0;
-
-print $ih <<EOF;
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0/EN" "http://www.apple.com/DTDs/P
-ropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleGetInfoString</key>
-	<string>$ver, Copyright ©2001-$year $family</string>
-	<key>CFBundleIdentifier</key>
-	<string>com.$family.$id</string>
-	<key>CFBundleShortVersionString</key>
-	<string>$major.$minor</string>
-	<key>IFMajorVersion</key>
-	<integer>$major</integer>
-	<key>IFMinorVersion</key>
-	<integer>$minor</integer>
-	<key>IFPkgFlagAllowBackRev</key>
-	<true/>
-	<key>IFPkgFlagAuthorizationAction</key>
-	<string>AdminAuthorization</string>
-	<key>IFPkgFlagBackgroundAlignment</key>
-	<string>center</string>
-	<key>IFPkgFlagBackgroundScaling</key>
-	<string>none</string>
-	<key>IFPkgFlagDefaultLocation</key>
-	<string>/Applications</string>
-	<key>IFPkgFlagFollowLinks</key>
-	<true/>
-	<key>IFPkgFlagInstallFat</key>
-	<true/>
-	<key>IFPkgFlagInstalledSize</key>
-	<integer>36080</integer>
-	<key>IFPkgFlagIsRequired</key>
-	<false/>
-	<key>IFPkgFlagOverwritePermissions</key>
-	<false/>
-	<key>IFPkgFlagRelocatable</key>
-	<true/>
-	<key>IFPkgFlagRestartAction</key>
-	<string>NoRestart</string>
-	<key>IFPkgFlagRootVolumeOnly</key>
-	<false/>
-	<key>IFPkgFlagUpdateInstalledLanguages</key>
-	<false/>
-	<key>IFPkgFormatVersion</key>
-	<real>0.10000000149011612</real>
-</dict>
-</plist>
-EOF
-close $ih;
-print $dh <<EOF;
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IFPkgDescriptionDescription</key>
-	<string></string>
-	<key>IFPkgDescriptionTitle</key>
-	<string>$id</string>
-</dict>
-</plist>
-EOF
-close $dh;
-if( -e $pkg )
-{
-	print "Removing $pkg\n";
-	rmtree "$pkg";
-}
-my @headerdir = split /\n/, `find "$smdir/StepMania.app" -type d -name Headers`;
-rmtree \@headerdir;
-my $pm =
-'/Developer/Applications/Utilities/PackageMaker.app/Contents/MacOS/PackageMaker';
-system $pm, '-build', '-p', $pkg, '-f', $destdir, '-ds',
-	'-i', $infoname, '-d', $descname;
-unlink $infoname, $descname;
-rmtree $destdir;
-print "Created $destname.pkg.\n";
-if( -e $zip )
-{
-	print "Removing $zip\n";
-	unlink $zip;
-}
-chdir $root;
-system '/usr/bin/zip', '-9Tqyr', $zip, "$destname.pkg";
-print "Created $destname-mac.zip.\n";
+# Make a dmg
+system qw/hdiutil create -ov -format UDZO -imagekey zlib-level=9 -srcfolder/, $tmp, '-volname', $destname, "$root/$destname-mac.dmg";
+rmtree $tmp;