diff --git a/mailpoet/composer.json b/mailpoet/composer.json
index 276d302d09..aaffe4913a 100644
--- a/mailpoet/composer.json
+++ b/mailpoet/composer.json
@@ -77,12 +77,14 @@
     "post-update-cmd": [
       "./tools/vendor/composer.phar --working-dir=tasks/code_sniffer install",
       "./tools/vendor/composer.phar --working-dir=tasks/phpstan install",
-      "php ./tasks/fix-guzzle.php"
+      "php ./tasks/fix-guzzle.php",
+      "php ./tasks/fix-php82-deprecations.php"
     ],
     "post-install-cmd": [
       "./tools/vendor/composer.phar --working-dir=tasks/code_sniffer install",
       "./tools/vendor/composer.phar --working-dir=tasks/phpstan install",
-      "php ./tasks/fix-guzzle.php"
+      "php ./tasks/fix-guzzle.php",
+      "php ./tasks/fix-php82-deprecations.php"
     ],
     "pre-autoload-dump": [
       "php ./tasks/fix-codeception-stub.php",
diff --git a/mailpoet/tasks/fix-php82-deprecations.php b/mailpoet/tasks/fix-php82-deprecations.php
new file mode 100644
index 0000000000..5fda76ccbe
--- /dev/null
+++ b/mailpoet/tasks/fix-php82-deprecations.php
@@ -0,0 +1,28 @@
+<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
+
+// throw exception if anything fails
+set_error_handler(function ($severity, $message, $file, $line) {
+  throw new ErrorException($message, 0, $severity, $file, $line);
+});
+
+// Fixes for PHP8.2 Compatibility
+
+// Production packages
+$replacements = [
+  [
+    'file' => __DIR__ . '/../vendor-prefixed/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilder.php',
+    'find' => [
+      'protected $backgroundColor = null;' . "\n" . '    /**',
+    ],
+    'replace' => [
+      'protected $backgroundColor = null;' . PHP_EOL . '    protected $background = null;' . PHP_EOL . '    /**',
+    ],
+  ],
+];
+
+// Apply replacements
+foreach ($replacements as $singleFile) {
+  $data = file_get_contents($singleFile['file']);
+  $data = str_replace($singleFile['find'], $singleFile['replace'], $data);
+  file_put_contents($singleFile['file'], $data);
+}