diff --git a/.github/workflows/php-qa.yml b/.github/workflows/php-qa.yml
index 7292f5de..b0349be5 100644
--- a/.github/workflows/php-qa.yml
+++ b/.github/workflows/php-qa.yml
@@ -6,7 +6,7 @@ jobs:
         if: "!contains(github.event.head_commit.message, 'ci skip')"
         strategy:
             matrix:
-                php-versions: ['7.0', '7.1', '7.2', '7.3', '7.4']
+                php-versions: ['7.1', '7.2', '7.3', '7.4']
         steps:
             -   uses: actions/checkout@v2
 
diff --git a/.gitignore b/.gitignore
index 01820fd8..911db961 100644
Binary files a/.gitignore and b/.gitignore differ
diff --git a/README.md b/README.md
index 6d913aad..ed67462d 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ WP Starter is the easiest and fastest way to bootstrap WordPress sites entirely
 # System Requirements
 
  - PHP 7.0+
- - [Composer](https://getcomposer.org/) v1
+ - [Composer](https://getcomposer.org/) >= 1.5.0 <= 2
 
 # License
 
diff --git a/src/Util/Unzipper.php b/src/Util/Unzipper.php
index 9ba432c9..0d6e1f9f 100644
--- a/src/Util/Unzipper.php
+++ b/src/Util/Unzipper.php
@@ -14,7 +14,6 @@
 use Composer\Config;
 use Composer\Downloader\ZipDownloader;
 use Composer\IO\IOInterface;
-use Composer\Util\Platform;
 
 /**
  * Wrapper around Composer ZipDownloader because we need just an unzipper, not a downloader.
@@ -32,7 +31,7 @@ class Unzipper
      */
     public function __construct(IOInterface $io, Config $config)
     {
-        $this->unzipper = $this->createUnzipper($io, $config);
+        $this->unzipper = new ZipDownloader($io, $config);
     }
 
     /**
@@ -44,58 +43,12 @@ public function __construct(IOInterface $io, Config $config)
      */
     public function unzip(string $zipPath, string $target): bool
     {
-        /** @var callable(string, string): bool */
-        $unzip = [$this->unzipper, 'unzip'];
+        try {
+            $this->unzipper->extract($zipPath, $target);
 
-        return $unzip($zipPath, $target);
-    }
-
-    /**
-     * We create this anonymous class extending ZipDownloader because its extract* methods
-     * we are interested in are protected, and the public `extract()` method does not return.
-     *
-     * @param IOInterface $io
-     * @param Config $config
-     * @return ZipDownloader
-     *
-     * phpcs:disable Inpsyde.CodeQuality.NestingLevel
-     */
-    private function createUnzipper(IOInterface $io, Config $config): ZipDownloader
-    {
-        // phpcs:enable Inpsyde.CodeQuality.NestingLevel
-
-        return new class ($io, $config) extends ZipDownloader
-        {
-            /**
-             * @var bool
-             */
-            private $useZipArchive;
-
-            /**
-             * @param IOInterface $io
-             * @param Config $config
-             */
-            public function __construct(IOInterface $io, Config $config)
-            {
-                $this->useZipArchive = Platform::isWindows();
-                parent::__construct($io, $config);
-            }
-
-            /**
-             * @param string $zipPath
-             * @param string $target
-             * @return bool
-             */
-            public function unzip(string $zipPath, string $target): bool
-            {
-                try {
-                    return $this->useZipArchive
-                        ? $this->extractWithZipArchive($zipPath, $target, false)
-                        : $this->extractWithSystemUnzip($zipPath, $target, false);
-                } catch (\Throwable $exception) {
-                    return false;
-                }
-            }
-        };
+            return true;
+        } catch (\Throwable $throwable) {
+            return false;
+        }
     }
 }
diff --git a/tests/integration/Cli/PhpToolProcessFactoryTest.php b/tests/integration/Cli/PhpToolProcessFactoryTest.php
index 75cd8d1b..facc5664 100644
--- a/tests/integration/Cli/PhpToolProcessFactoryTest.php
+++ b/tests/integration/Cli/PhpToolProcessFactoryTest.php
@@ -230,7 +230,7 @@ public function testRunWpCliCommandViaFileSystemBootstrap()
      */
     private function assertProcessWorks(PhpToolProcess $process)
     {
-        static::assertTrue($process->execute('-r "echo \'Hi!!!\'";'));
+        static::assertTrue($process->execute('-r "echo \'Hi!!!\';"'));
 
         $output = trim($this->collectOutput());
 
diff --git a/tests/integration/Util/UnzipperTest.php b/tests/integration/Util/UnzipperTest.php
index e88c834d..70074259 100644
--- a/tests/integration/Util/UnzipperTest.php
+++ b/tests/integration/Util/UnzipperTest.php
@@ -8,31 +8,21 @@
 
 namespace WeCodeMore\WpStarter\Tests\Integration\Util;
 
-use org\bovigo\vfs\vfsStream;
 use WeCodeMore\WpStarter\Tests\IntegrationTestCase;
 use WeCodeMore\WpStarter\Util\Unzipper;
 
 class UnzipperTest extends IntegrationTestCase
 {
-    private function createUnzipper(): Unzipper
-    {
-        return new Unzipper($this->createComposerIo(), $this->createComposerConfig());
-    }
-
     /**
      * @covers \WeCodeMore\WpStarter\Util\Unzipper
      */
     public function testUnzipFail()
     {
-        $source = getenv('TESTS_FIXTURES_PATH') . '/faulty-zip.zip';
-
-        $dir = vfsStream::setup('directory');
-        $targetDir = $dir->url();
+        $dir = getenv('TESTS_FIXTURES_PATH');
+        $source = $dir . '/faulty-zip.zip';
+        $unzipper = new Unzipper($this->createComposerIo(), $this->createComposerConfig());
 
-        $unzipper = $this->createUnzipper();
-
-        static::assertFalse($unzipper->unzip($source, $targetDir));
-        static::assertFalse($dir->hasChildren());
+        static::assertFalse($unzipper->unzip($source, $dir));
     }
 
     /**
@@ -40,14 +30,15 @@ public function testUnzipFail()
      */
     public function testUnzipSuccess()
     {
-        $source = getenv('TESTS_FIXTURES_PATH') . '/good-zip.zip';
-
-        $dir = vfsStream::setup('directory');
-        $targetDir = $dir->url();
-
-        $unzipper = $this->createUnzipper();
-
-        static::assertTrue($unzipper->unzip($source, $targetDir));
-        static::assertTrue($dir->hasChildren());
+        $dir = getenv('TESTS_FIXTURES_PATH');
+        $unzipper = new Unzipper($this->createComposerIo(), $this->createComposerConfig());
+
+        try {
+            static::assertTrue($unzipper->unzip("{$dir}/good-zip.zip", $dir));
+            // this is the file contained in `good-zip.zip` file
+            static::assertTrue(file_exists("{$dir}/some-zip-content.txt"));
+        } finally {
+            @unlink("{$dir}/some-zip-content.txt");
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/tests/src/DummyPhpTool.php b/tests/src/DummyPhpTool.php
index 4609be3c..9c1d82ab 100644
--- a/tests/src/DummyPhpTool.php
+++ b/tests/src/DummyPhpTool.php
@@ -111,4 +111,4 @@ public function prepareCommand(string $command, Paths $paths, Io $io): string
 
         return $command;
     }
-}
\ No newline at end of file
+}