diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 33985b21d9..54fed1e522 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1574,6 +1574,47 @@ sign:
   when: manual
   allow_failure: false
 
+.customer-git: &customer_git
+  <<: *base_image
+  stage: release
+  when: manual
+  variables:  # ensure clean git environment and sufficient history
+    GIT_STRATEGY: clone
+    GIT_DEPTH: 1000
+
+# To trigger this job and push a branch to a customer, you must set the
+# CUSTOMER job variable by clicking on the manual job (not the play button) and
+# set it to the name of the target customer.
+customer-git:branch:
+  <<: *customer_git
+  needs: []
+  rules:
+    - if: '$CI_PROJECT_NAMESPACE == "isc-private" && $CI_PIPELINE_SOURCE == "merge_request_event"'
+      variables:
+        BRANCH: '$CI_MERGE_REQUEST_SOURCE_BRANCH_NAME'
+    - if: '$CI_PROJECT_NAMESPACE == "isc-private" && $CI_PIPELINE_SOURCE =~ /^(api|pipeline|trigger|web)$/'
+      variables:
+        BRANCH: '$CI_COMMIT_BRANCH'
+  before_script:
+    - test -n "$CUSTOMER"
+    - git clone --depth 1 https://gitlab.isc.org/isc-projects/bind9-qa.git
+  script:
+    - git checkout -b "$BRANCH"  # ensure refs/heads/$BRANCH exists; GitLab clones with detached HEAD
+    - bind9-qa/releng/push_to_customer_repository.py --branch "$BRANCH" --customer "$CUSTOMER" --force
+
+customer-git:tag:
+  <<: *customer_git
+  needs:
+    - job: release
+      artifacts: false
+  rules:
+    - if: '$CI_PROJECT_NAMESPACE == "isc-private" && $CI_COMMIT_TAG != null'
+  before_script:
+    - git clone --depth 1 https://gitlab.isc.org/isc-projects/bind9-qa.git
+    - git clone --depth 1 "https://token:${ISC_CUSTOMERS_WRITE_TOKEN}@gitlab.isc.org/isc-customers/isc-customer-settings.git"
+  script:
+    - bind9-qa/releng/push_to_customer_repository.py --tag "$CI_COMMIT_TAG" --entitlements isc-customer-settings/entitlements.yaml --force
+
 # Coverity Scan analysis upload
 
 .coverity_prep: &coverity_prep