diff --git a/.gitlab/ci/review-apps/main.gitlab-ci.yml b/.gitlab/ci/review-apps/main.gitlab-ci.yml
index d933a6bf89e96cb6200572dd4a7f0d230a05d59e..07a669917f41e22ac1582aeeff38fd6839b8b209 100644
--- a/.gitlab/ci/review-apps/main.gitlab-ci.yml
+++ b/.gitlab/ci/review-apps/main.gitlab-ci.yml
@@ -66,7 +66,7 @@ review-build-cng:
     GITLAB_IMAGE_REPOSITORY: "registry.gitlab.com/gitlab-org/build/cng-mirror"
     GITLAB_IMAGE_SUFFIX: "ee"
     GITLAB_REVIEW_APP_BASE_CONFIG_FILE: "scripts/review_apps/base-config.yaml"
-    GITLAB_HELM_CHART_REF: "c0dd458d5a865c4c191b938ede1eef4cde8c406b"  # 8.3.1: https://gitlab.com/gitlab-org/charts/gitlab/-/commit/c0dd458d5a865c4c191b938ede1eef4cde8c406b
+    GITLAB_HELM_CHART_REF: "1d594de1401223ec414ff3676cf098cc689eb9a0"  # 8.4.2: https://gitlab.com/gitlab-org/charts/gitlab/-/commit/1d594de1401223ec414ff3676cf098cc689eb9a0
   environment:
     name: review/${CI_COMMIT_REF_SLUG}${SCHEDULE_TYPE}  # No separator for SCHEDULE_TYPE so it's compatible as before and looks nice without it
     url: https://gitlab-${CI_ENVIRONMENT_SLUG}.${REVIEW_APPS_DOMAIN}