diff --git a/.woodpecker/test.yml b/.woodpecker/test.yml
index ba95a1c..c8e6fd1 100644
--- a/.woodpecker/test.yml
+++ b/.woodpecker/test.yml
@@ -8,6 +8,8 @@ steps:
     environment:
       WP_TESTS_PHPUNIT_POLYFILLS_PATH: vendor/yoast/phpunit-polyfills
     commands:
+      - apt -y update
+      - apt -y install libonig-dev
       - docker-php-ext-install mbstring mysqli pdo_mysql intl gd zip bz2
       - docker-php-ext-enable mbstring mysqli pdo_mysql intl gd zip bz2
       - composer require --dev yoast/phpunit-polyfills:"^3.0"