diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 00a42a9..e9f6f14 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -45,7 +45,7 @@ jobs:
     needs:   build-linux
     strategy:
       matrix:
-        config: [full, small, full-vista, small-vista, full-536, small-536]
+        config: [full, small, full-vista, small-vista, full-536, small-536, full-540, small-540]
     steps:
     - name: Fetch build artifacts
       uses: actions/download-artifact@v8
@@ -200,4 +200,6 @@ jobs:
           small-vista/*
           full-536/*
           small-536/*
+          full-540/*
+          small-540/*
           APPerl-*-all.zip
diff --git a/Changes b/Changes
index 5526d30..02a82f4 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,7 @@
 Revision history for Perl-Dist-APPerl
+v0.8.0  2026-07-XX
+        Add Perl 5.42 builds.
+
 v0.7.0  2026-07-09
         Add Perl 5.40 builds. 5.38 is skipped as static builds were
           broken on Perl 5.38,
diff --git a/lib/Perl/Dist/APPerl.pm b/lib/Perl/Dist/APPerl.pm
index 21baa81..6f5bcad 100644
--- a/lib/Perl/Dist/APPerl.pm
+++ b/lib/Perl/Dist/APPerl.pm
@@ -746,14 +746,37 @@ my %defconfig = (
             dest => 'perl-540-small.com',
             install_modules => [],
         },
+        'full-542' => {
+            desc => 'moving target: full-542',
+            perl_flags => ['-Dprefix=/zip', '-Uversiononly', '-Dmyhostname=cosmo', '-Dmydomain=invalid'],
+            perl_extra_flags => ['-Doptimize=-Os', '-de', '-Dprivlib=/zip/lib/perl5', '-Darchlib=/zip/lib/perl5/x86_64-cosmo', '-Dsitelib=/zip/lib/perl5/site_perl', '-Dsitearch=/zip/lib/perl5/site_perl/x86_64-cosmo'],
+            MANIFEST => ['lib', 'bin'],
+            'include_Perl-Dist-APPerl' => 1,
+            perl_repo_files => {},
+            zip_extra_files => {},
+            cosmo3 => 1,
+            dest => 'perl-542.com',
+            perl_url => 'https://github.com/Perl/perl5/archive/refs/tags/v5.42.2.tar.gz',
+            patches => ['__sharedir__/5.40-cosmo3.patch', '__sharedir__/5.36-cosmo-apperl.patch'],
+            install_modules => [],
+        },
+        'small-542' => {
+            desc => 'moving target: small-542',
+            base => 'full-542',
+            perl_onlyextensions => [qw(Cwd ErrnoRuntime Fcntl File/Glob Hash/Util IO List/Util POSIX Socket attributes re)],
+            MANIFEST => \@smallmanifest,
+            'include_Perl-Dist-APPerl' => 0,
+            dest => 'perl-542-small.com',
+            install_modules => [],
+        },
         'full' => {
             desc => 'moving target: full',
-            base => 'full-540',
+            base => 'full-542',
             dest => 'perl.com',
         },
         'small' => {
             desc => 'moving target: small',
-            base => 'small-540',
+            base => 'small-542',
             dest => 'perl-small.com',
         },
         'nobuild' => {
@@ -786,13 +809,20 @@ my %defconfig = (
             perl_url => undef,
             patches => ['__sharedir__/5.40-cosmo3.patch'],
         },
+        perl_cosmo_dev_542 => {
+            desc => "For developing cosmo platform perl without apperl additions",
+            base => 'full',
+            perl_id => 'v5.42.2',
+            perl_url => undef,
+            patches => ['__sharedir__/5.40-cosmo3.patch'],
+        },
         perl_cosmo_dev => {
             desc => "For developing cosmo platform perl without apperl additions",
-            base => 'perl_cosmo_dev_540',
+            base => 'perl_cosmo_dev_542',
         },
         perl_apperl_dev_536 => {
             desc => "For developing apperl",
-            base => 'perl_cosmo_dev',
+            base => 'perl_cosmo_dev_536',
             '+patches' => ['__sharedir__/5.36-cosmo-apperl.patch'],
         },
         perl_apperl_dev_540 => {
@@ -800,9 +830,14 @@ my %defconfig = (
             base => 'perl_cosmo_dev_540',
             '+patches' => ['__sharedir__/5.36-cosmo-apperl.patch'],
         },
+        perl_apperl_dev_542 => {
+            desc => "For developing apperl",
+            base => 'perl_cosmo_dev_542',
+            '+patches' => ['__sharedir__/5.36-cosmo-apperl.patch'],
+        },
         perl_apperl_dev => {
             desc => "For developing apperl",
-            base => 'perl_apperl_dev_540',
+            base => 'perl_apperl_dev_542',
         },
     }
 );
@@ -955,9 +990,9 @@ sub Status {
         @projectitems = sort (keys %{$projectconfig->{apperl_configs}});
         _remove_arr_items_from_arr(\@configlist, \@projectitems);
     }
-    my @rolling = grep(/^(full|small|nobuild|full-540|small-540)$/, @configlist);
+    my @rolling = grep(/^(full|small|nobuild|full-540|small-540|full-542|small-542)$/, @configlist);
     {
-        my %preferences = ( full => 0, small => 1, 'full-540' => 2, 'small-540' => 3, nobuild => 4);
+        my %preferences = ( full => 0, small => 1, 'full-542' => 2, 'small-542' => 3, 'full-540' => 4, 'small-540' => 5, nobuild => 6);
         @rolling = sort {$preferences{$a} <=> $preferences{$b}} @rolling;
     }
     _remove_arr_items_from_arr(\@configlist, \@rolling);