diff --git a/example.drupal.composer.json b/example.drupal.composer.json
index 4bea7ebaa..02eb9386d 100644
--- a/example.drupal.composer.json
+++ b/example.drupal.composer.json
@@ -34,5 +34,8 @@
             "docroot/themes/contrib/{$name}": ["type:drupal-theme"],
             "drush/contrib/{$name}": ["type:drupal-drush"]
         }
+    },
+    "config": {
+        "process-timeout": 1200
     }
 }
diff --git a/provisioning/tasks/build-composer-project.yml b/provisioning/tasks/build-composer-project.yml
index 9964be1ff..9372c81f9 100644
--- a/provisioning/tasks/build-composer-project.yml
+++ b/provisioning/tasks/build-composer-project.yml
@@ -6,6 +6,8 @@
     {{ drupal_composer_project_options|default('--prefer-dist --no-interaction') }}
   when: not drupal_site_exists
   become: no
+  environment:
+      COMPOSER_PROCESS_TIMEOUT: 1200
 
 - name: Install dependencies with composer require.
   command: >