diff --git a/.github/workflows/composer.yaml b/.github/workflows/composer.yaml
index 27f9b87..bf15965 100644
--- a/.github/workflows/composer.yaml
+++ b/.github/workflows/composer.yaml
@@ -27,6 +27,7 @@ name: Composer
 
 env:
   COMPOSE_USER: runner
+  COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 on:
   pull_request:
@@ -67,9 +68,10 @@ jobs:
           # Create a temporary composer file to install https://github.com/mglaman/composer-drupal-lenient before the real install needs it.
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer init --no-interaction
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer config --no-plugins allow-plugins.mglaman/composer-drupal-lenient true
-          docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer require mglaman/composer-drupal-lenient:^1
+          docker compose run --rm --env COMPOSER_TOKEN --env COMPOSER=composer.lenient.json phpfpm composer require mglaman/composer-drupal-lenient:^1
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm rm composer.lenient.*
-          docker compose run --rm phpfpm composer install
+          # The real install.
+          docker compose run --rm --env COMPOSER_TOKEN phpfpm composer install
 
       - run: |
           docker compose run --rm phpfpm composer normalize --dry-run
diff --git a/.github/workflows/php.yaml b/.github/workflows/php.yaml
index 7bd917e..bccb17c 100644
--- a/.github/workflows/php.yaml
+++ b/.github/workflows/php.yaml
@@ -35,6 +35,7 @@ name: PHP
 
 env:
   COMPOSE_USER: runner
+  COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 on:
   pull_request:
@@ -65,9 +66,10 @@ jobs:
           # Create a temporary composer file to install https://github.com/mglaman/composer-drupal-lenient before the real install needs it.
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer init --no-interaction
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer config --no-plugins allow-plugins.mglaman/composer-drupal-lenient true
-          docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer require mglaman/composer-drupal-lenient:^1
+          docker compose run --rm --env COMPOSER_TOKEN --env COMPOSER=composer.lenient.json phpfpm composer require mglaman/composer-drupal-lenient:^1
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm rm composer.lenient.*
-          docker compose run --rm phpfpm composer install
+          # The real install.
+          docker compose run --rm --env COMPOSER_TOKEN phpfpm composer install
 
       - run: |
           docker compose run --rm phpfpm vendor/bin/phpcs
diff --git a/.github/workflows/project.yaml b/.github/workflows/project.yaml
index da5ae3d..712f7df 100644
--- a/.github/workflows/project.yaml
+++ b/.github/workflows/project.yaml
@@ -2,6 +2,7 @@ name: Project
 
 env:
   COMPOSE_USER: root
+  COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 on:
   pull_request:
diff --git a/.github/workflows/twig.yaml b/.github/workflows/twig.yaml
index 8fc8b07..51535ad 100644
--- a/.github/workflows/twig.yaml
+++ b/.github/workflows/twig.yaml
@@ -25,6 +25,7 @@ name: Twig
 
 env:
   COMPOSE_USER: runner
+  COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 on:
   pull_request:
@@ -55,9 +56,10 @@ jobs:
           # Create a temporary composer file to install https://github.com/mglaman/composer-drupal-lenient before the real install needs it.
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer init --no-interaction
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer config --no-plugins allow-plugins.mglaman/composer-drupal-lenient true
-          docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm composer require mglaman/composer-drupal-lenient:^1
+          docker compose run --rm --env COMPOSER_TOKEN --env COMPOSER=composer.lenient.json phpfpm composer require mglaman/composer-drupal-lenient:^1
           docker compose run --rm --env COMPOSER=composer.lenient.json phpfpm rm composer.lenient.*
-          docker compose run --rm phpfpm composer install
+          # The real install.
+          docker compose run --rm --env COMPOSER_TOKEN phpfpm composer install
 
       - run: |
           docker compose run --rm phpfpm vendor/bin/twig-cs-fixer lint
diff --git a/compose.yaml b/compose.yaml
index 77994c4..297f981 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -21,10 +21,10 @@ services:
       - ./:/md
 
   prettier:
-    # Prettier does not (yet, fcf.
-    # https://github.com/prettier/prettier/issues/15206) have an official
-    # docker image.
-    # https://hub.docker.com/r/jauderho/prettier is good candidate (cf. https://hub.docker.com/search?q=prettier&sort=updated_at&order=desc)
+    # Prettier does not (yet, cf.
+    # https://github.com/prettier/prettier/issues/15206) have an official docker
+    # image. https://hub.docker.com/r/jauderho/prettier is good candidate (cf.
+    # https://hub.docker.com/search?q=prettier&sort=updated_at&order=desc)
     image: jauderho/prettier
     profiles:
       - dev
diff --git a/scripts/compose.yaml b/scripts/compose.yaml
index cb08be5..04157fe 100644
--- a/scripts/compose.yaml
+++ b/scripts/compose.yaml
@@ -20,3 +20,4 @@ services:
       MODULE_PATH: web/modules/contrib/$MODULE_NAME
       # https://getcomposer.org/doc/03-cli.md#composer-ignore-platform-req-or-composer-ignore-platform-reqs
       COMPOSER_IGNORE_PLATFORM_REQS: 1
+      COMPOSER_TOKEN: ${COMPOSER_TOKEN:-}