diff --git a/docker/build-farmOS.sh b/docker/build-farmOS.sh
index afebfcd09..38d2f9774 100644
--- a/docker/build-farmOS.sh
+++ b/docker/build-farmOS.sh
@@ -42,6 +42,7 @@ composer require farmos/farmos ${FARMOS_COMPOSER_VERSION} --no-install
 allowedPlugins=(
   "composer/installers"
   "cweagans/composer-patches"
+  "dealerdirect/phpcodesniffer-composer-installer"
   "drupal/core-composer-scaffold"
   "oomphinc/composer-installers-extender"
   "wikimedia/composer-merge-plugin"