diff --git a/config/pkg/ext/ext-parallel.yml b/config/pkg/ext/ext-parallel.yml
new file mode 100644
index 00000000..a3e91efe
--- /dev/null
+++ b/config/pkg/ext/ext-parallel.yml
@@ -0,0 +1,9 @@
+ext-parallel:
+  type: php-extension
+  artifact:
+    source:
+      type: pecl
+      name: parallel
+    metadata:
+      license-files: [LICENSE]
+      license: PHP-3.01
diff --git a/src/Package/Extension/parallel.php b/src/Package/Extension/parallel.php
new file mode 100644
index 00000000..0ec58595
--- /dev/null
+++ b/src/Package/Extension/parallel.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Package\Extension;
+
+use Package\Target\php;
+use StaticPHP\Attribute\Package\BeforeStage;
+use StaticPHP\Attribute\Package\Extension;
+use StaticPHP\Attribute\Package\Validate;
+use StaticPHP\Attribute\PatchDescription;
+use StaticPHP\Exception\WrongUsageException;
+use StaticPHP\Package\PackageBuilder;
+use StaticPHP\Package\PhpExtensionPackage;
+use StaticPHP\Util\FileSystem;
+
+#[Extension('parallel')]
+class parallel extends PhpExtensionPackage
+{
+    #[Validate]
+    public function validate(PackageBuilder $builder): void
+    {
+        if (!$builder->getOption('enable-zts')) {
+            throw new WrongUsageException('ext-parallel must be built with ZTS builds. Use "--enable-zts" option!');
+        }
+    }
+
+    #[BeforeStage('php', [php::class, 'buildconfForUnix'], 'ext-parallel')]
+    #[PatchDescription('Fix parallel m4 hardcoded PHP_VERSION check')]
+    public function patchBeforeBuildconf(): bool
+    {
+        FileSystem::replaceFileRegex("{$this->getSourceDir()}/config.m4", '/PHP_VERSION=.*/m', '');
+        return true;
+    }
+}