diff --git a/.circleci/fake-sendmail.php b/.circleci/fake-sendmail.php
index cbd42e19f8..5062d18655 100755
--- a/.circleci/fake-sendmail.php
+++ b/.circleci/fake-sendmail.php
@@ -7,6 +7,7 @@ if (!file_exists($path)) {
 $filename = $path . '/mailpoet-' . microtime(true) . '.txt';
 $file_handle = fopen($filename, "w");
 
+// phpcs:ignore Squiz.PHP.DiscouragedFunctions
 $call_arguments = print_r($argv, true) . "\n";
 fwrite($file_handle, $call_arguments);
 
diff --git a/RoboFile.php b/RoboFile.php
index d8bd4887b0..11d435280f 100644
--- a/RoboFile.php
+++ b/RoboFile.php
@@ -383,7 +383,24 @@ class RoboFile extends \Robo\Tasks {
       ->taskExec($task)
       ->rawArg('--runtime-set testVersion 5.6-7.3')
       ->rawArg('-l .')
+
+      // PHP >= 7.2 for dev tools, etc.
+      ->taskExec($task)
+      ->rawArg('--runtime-set testVersion 7.2-7.3')
+      ->arg('--ignore=' . implode(',', [
+          'prefixer/build',
+          'prefixer/vendor',
+          'tasks/code_sniffer/vendor',
+          'tasks/makepot',
+          'tools/vendor',
+        ])
       )
+      ->args([
+        '.circleci',
+        'prefixer',
+        'tasks',
+        'tools',
+      ])
       ->run();
   }
 
diff --git a/prefixer/fix-twig.php b/prefixer/fix-twig.php
index 0f731ddc58..327d6076d4 100755
--- a/prefixer/fix-twig.php
+++ b/prefixer/fix-twig.php
@@ -44,7 +44,7 @@ $replacements = [
   [
     'file' => '../vendor-prefixed/twig/twig/src/Node/Expression/Binary/NotInBinary.php',
     'find' => [
-      '\'!twig_in_filter(\''
+      '\'!twig_in_filter(\'',
     ],
     'replace' => [
       '\'!\\\\MailPoetVendor\\\\twig_in_filter(\'',
@@ -53,7 +53,7 @@ $replacements = [
   [
     'file' => '../vendor-prefixed/twig/twig/src/Node/Expression/Binary/InBinary.php',
     'find' => [
-      '\'twig_in_filter(\''
+      '\'twig_in_filter(\'',
     ],
     'replace' => [
       '\'\\\\MailPoetVendor\\\\twig_in_filter(\'',
diff --git a/prefixer/scoper.inc.php b/prefixer/scoper.inc.php
index 9b6388bbd7..5ee8074738 100644
--- a/prefixer/scoper.inc.php
+++ b/prefixer/scoper.inc.php
@@ -18,7 +18,7 @@ return [
         'vendor-bin',
         'composer',
       ])
-      ->in('vendor')
+      ->in('vendor'),
   ],
 
   // Whitelists a list of files. Unlike the other whitelist related features, this one is about completely leaving
diff --git a/tasks/code_sniffer/MailPoet/Sniffs/ControlStructures/ControlSignatureSniff.php b/tasks/code_sniffer/MailPoet/Sniffs/ControlStructures/ControlSignatureSniff.php
index 967c1e3d14..5ae8c9e3fb 100644
--- a/tasks/code_sniffer/MailPoet/Sniffs/ControlStructures/ControlSignatureSniff.php
+++ b/tasks/code_sniffer/MailPoet/Sniffs/ControlStructures/ControlSignatureSniff.php
@@ -1,4 +1,7 @@
 <?php
+
+namespace MailPoet\Sniffs;
+
 /**
  * Verifies spacing of control statements.
  *
@@ -14,7 +17,7 @@
  */
 
 if (class_exists('PHP_CodeSniffer\Sniffs\AbstractPatternSniff', true) === false) {
-    throw new \PHP_CodeSniffer\Exceptions\RuntimeException('Class PHP_CodeSniffer\Sniffs\AbstractPatternSniff not found');
+  throw new \PHP_CodeSniffer\Exceptions\RuntimeException('Class PHP_CodeSniffer\Sniffs\AbstractPatternSniff not found');
 }
 
 /**
@@ -29,33 +32,33 @@ if (class_exists('PHP_CodeSniffer\Sniffs\AbstractPatternSniff', true) === false)
  * @version   Release: @package_version@
  * @link      http://pear.php.net/package/PHP_CodeSniffer
  */
-class MailPoet_Sniffs_ControlStructures_ControlSignatureSniff extends PHP_CodeSniffer\Sniffs\AbstractPatternSniff {
+class ControlSignatureSniff extends \PHP_CodeSniffer\Sniffs\AbstractPatternSniff {
 
-    /**
-     * If true, comments will be ignored if they are found in the code.
-     *
-     * @var boolean
-     */
-    public $ignoreComments = true;
+  /**
+   * If true, comments will be ignored if they are found in the code.
+   *
+   * @var boolean
+   */
+  public $ignoreComments = true;
 
-    /**
-     * Returns the patterns that this test wishes to verify.
-     *
-     * @return string[]
-     */
-    protected function getPatterns() {
-      return array(
-        'do {EOL...} while (...);EOL',
-        'while (...) {EOL',
-        'for (...) {EOL',
-        'if (...) {EOL',
-        'foreach (...) {EOL',
-        '} else if (...) {EOL',
-        '} elseif (...) {EOL',
-        '} else {EOL',
-        'do {EOL',
-        'switch (...) {EOL',
-        'catch (...) {EOL',
-      );
-    }
+  /**
+   * Returns the patterns that this test wishes to verify.
+   *
+   * @return string[]
+   */
+  protected function getPatterns() {
+    return [
+      'do {EOL...} while (...);EOL',
+      'while (...) {EOL',
+      'for (...) {EOL',
+      'if (...) {EOL',
+      'foreach (...) {EOL',
+      '} else if (...) {EOL',
+      '} elseif (...) {EOL',
+      '} else {EOL',
+      'do {EOL',
+      'switch (...) {EOL',
+      'catch (...) {EOL',
+    ];
+  }
 }
diff --git a/tasks/fix-full-path-disclosure.php b/tasks/fix-full-path-disclosure.php
index 972de4ee5f..80c13036b7 100644
--- a/tasks/fix-full-path-disclosure.php
+++ b/tasks/fix-full-path-disclosure.php
@@ -18,7 +18,7 @@ if (count($argv) !== 2) {
 }
 
 // absolutize path (if not absolute)
-$directory = rtrim($argv[1]. '/');
+$directory = rtrim($argv[1] . '/');
 if (mb_substr($directory, 0, 1) !== DIRECTORY_SEPARATOR) {
   $directory = getcwd() . DIRECTORY_SEPARATOR . $directory;
 }
diff --git a/tasks/phpstan/PremiumContainerConfigurator.php b/tasks/phpstan/PremiumContainerConfigurator.php
index caa3ca57ad..52a5e7a503 100644
--- a/tasks/phpstan/PremiumContainerConfigurator.php
+++ b/tasks/phpstan/PremiumContainerConfigurator.php
@@ -5,16 +5,14 @@ namespace MailPoet\Premium\DI;
 use MailPoet\DI\IContainerConfigurator;
 use MailPoetVendor\Symfony\Component\DependencyInjection\ContainerBuilder;
 
-class ContainerConfigurator implements IContainerConfigurator{
-  function configure(ContainerBuilder $container)
-  {
+// phpcs:ignore Squiz.Classes.ClassFileName
+class ContainerConfigurator implements IContainerConfigurator {
+  function configure(ContainerBuilder $container) {
   }
 
-  function getDumpNamespace()
-  {
+  function getDumpNamespace() {
   }
 
-  function getDumpClassname()
-  {
+  function getDumpClassname() {
   }
 }
diff --git a/tasks/phpstan/bootstrap.php b/tasks/phpstan/bootstrap.php
index ec14a60cc3..dd3aca6684 100644
--- a/tasks/phpstan/bootstrap.php
+++ b/tasks/phpstan/bootstrap.php
@@ -5,7 +5,8 @@ define('ABSPATH', getenv('WP_ROOT') . '/');
 require_once ABSPATH . 'wp-load.php';
 require_once ABSPATH . 'wp-admin/includes/admin.php';
 require_once ABSPATH . '/wp-includes/class-phpmailer.php';
-if(!class_exists('\MailPoet\Premium\DI\ContainerConfigurator')) {
+
+if (!class_exists('\MailPoet\Premium\DI\ContainerConfigurator')) {
   require_once './PremiumContainerConfigurator.php';
 }
 
diff --git a/tasks/phpstan/woocommerce.php b/tasks/phpstan/woocommerce.php
index 47441908c8..180cee8e66 100644
--- a/tasks/phpstan/woocommerce.php
+++ b/tasks/phpstan/woocommerce.php
@@ -1,14 +1,17 @@
 <?php
 
-class WooCommerce {}
+// phpcs:ignore
+class WooCommerce {
+}
 
 /**
 * @return WooCommerce
 */
-function WC() {}
+function WC() {
+}
 
 function wc_get_customer_order_count(int $user_id): int {
-return 0;
+  return 0;
 }
 
 /**
@@ -16,7 +19,7 @@ return 0;
 * @return mixed
 */
 function wc_get_order($order = false) {
-return false;
+  return false;
 }
 
 /**
@@ -24,25 +27,27 @@ return false;
 * @return WC_Order[]|int[]|\stdClass
 */
 function wc_get_orders($args) {
-return [];
+  return [];
 }
 
 function wc_price(float $price, array $args = []): string {
-return '';
+  return '';
 }
 
 /**
 * @return string
 */
 function get_woocommerce_currency() {
-return '';
+  return '';
 }
 
-function wc_get_product($the_product = false, $deprecated = array()) {
-return null;
+function wc_get_product($the_product = false, $deprecated = []) {
+  return null;
 }
 
-class WC_DateTime extends \DateTime {}
+// phpcs:ignore
+class WC_DateTime extends \DateTime {
+}
 
 /**
 * @method int get_id()
@@ -51,4 +56,5 @@ class WC_DateTime extends \DateTime {}
 * @method string get_currency(string $context = 'view')
 * @method float get_total(string $context = 'view')
 */
-class WC_Order {}
+class WC_Order { // phpcs:ignore
+}
diff --git a/tasks/release/ChangelogController.php b/tasks/release/ChangelogController.php
index 4484608584..811a6b9a51 100644
--- a/tasks/release/ChangelogController.php
+++ b/tasks/release/ChangelogController.php
@@ -38,7 +38,7 @@ class ChangelogController {
 
   private function renderHeading(array $version) {
     $date = empty($version['releaseDate']) ? date('Y-m-d') : $version['releaseDate'];
-    return "= {$version['name']}" . self::HEADING_GLUE .  "$date =";
+    return "= {$version['name']}" . self::HEADING_GLUE . "$date =";
   }
 
   private function renderList(array $issues, $field) {
diff --git a/tasks/release/GitHubController.php b/tasks/release/GitHubController.php
index 3733d010a4..f430e2e161 100644
--- a/tasks/release/GitHubController.php
+++ b/tasks/release/GitHubController.php
@@ -66,7 +66,7 @@ class GitHubController {
         'head' => self::RELEASE_SOURCE_BRANCH,
         'base' => 'master',
         'direction' => 'desc',
-      ]
+      ],
     ]);
     $response = json_decode($response->getBody()->getContents(), true);
     if (sizeof($response) === 0) {
@@ -182,11 +182,10 @@ class GitHubController {
     return json_decode($response->getBody()->getContents(), true);
   }
 
-  private function uploadReleaseZip($upload_url, $release_zip_path)
-  {
+  private function uploadReleaseZip($upload_url, $release_zip_path) {
     $this->http_client->post($upload_url, [
       'headers' => [
-        'Content-Type' => 'application/zip'
+        'Content-Type' => 'application/zip',
       ],
       'query' => [
         'name' => $this->zip_filename,
@@ -195,8 +194,7 @@ class GitHubController {
     ]);
   }
 
-  private function publishDraftAsRelease($release_id)
-  {
+  private function publishDraftAsRelease($release_id) {
     $this->http_client->patch('releases/' . urlencode($release_id), [
       'json' => [
         'draft' => false,
diff --git a/tasks/release/JiraController.php b/tasks/release/JiraController.php
index 6e92a89367..4d6aa1157d 100644
--- a/tasks/release/JiraController.php
+++ b/tasks/release/JiraController.php
@@ -66,7 +66,7 @@ class JiraController {
       'query' => [
         'maxResults' => 1,
         'orderBy' => '-sequence',
-      ]
+      ],
     ]);
     $version = json_decode($response->getBody()->getContents(), true);
     if (empty($version) || empty($version['values'])) {
@@ -81,7 +81,7 @@ class JiraController {
         'maxResults' => 1,
         'orderBy' => '-sequence',
         'status' => 'released',
-      ]
+      ],
     ]);
     $version = json_decode($response->getBody()->getContents(), true);
     if (empty($version) || empty($version['values'])) {
diff --git a/tasks/release/ReleaseVersionController.php b/tasks/release/ReleaseVersionController.php
index e0d4a4a532..1baf16464a 100644
--- a/tasks/release/ReleaseVersionController.php
+++ b/tasks/release/ReleaseVersionController.php
@@ -97,9 +97,9 @@ class ReleaseVersionController {
     $data = [
       'update' => [
         'fixVersions' => [
-          ['set' => [['name' => $version]]]
-        ]
-      ]
+          ['set' => [['name' => $version]]],
+        ],
+      ],
     ];
     return $this->jira->updateIssue($issue_key, $data);
   }
diff --git a/tools/install.php b/tools/install.php
index 72d742b947..f3065cee14 100644
--- a/tools/install.php
+++ b/tools/install.php
@@ -8,7 +8,7 @@ $tools = [
 ];
 
 // ensure installation in dev-mode only
-$is_dev_mode = (bool) getenv('COMPOSER_DEV_MODE');
+$is_dev_mode = (bool)getenv('COMPOSER_DEV_MODE');
 if (!$is_dev_mode) {
   fwrite(STDERR, "Skipping installing dev tools in non-dev mode.\n");
   return;