--- a/taskcluster/taskgraph/actions/cancel_all.py
+++ b/taskcluster/taskgraph/actions/cancel_all.py
@@ -42,17 +42,17 @@ def list_group(task_group_id, session):
     symbol='cAll',
     description=(
         'Cancel all running and pending tasks created by the decision task '
         'this action task is associated with.'
     ),
     order=100,
     context=[]
 )
-def cancel_all_action(parameters, input, task_group_id, task_id, task):
+def cancel_all_action(parameters, graph_config, input, task_group_id, task_id, task):
     session = get_session()
     own_task_id = os.environ.get('TASK_ID', '')
     with futures.ThreadPoolExecutor(CONCURRENCY) as e:
         cancels_jobs = [
             e.submit(cancel_task, t, use_proxy=True)
             for t in list_group(task_group_id, session) if t != own_task_id
         ]
         for job in cancels_jobs:

--- a/taskcluster/taskgraph/actions/purge_caches.py
+++ b/taskcluster/taskgraph/actions/purge_caches.py
@@ -20,14 +20,14 @@ logger = logging.getLogger(__name__)
     symbol='purge-caches',
     description=(
         'Purge any caches associated with this task '
         'across all workers of the same workertype as the task.'
     ),
     order=100,
     context=[{'worker-implementation': 'docker-worker'}]
 )
-def purge_caches_action(parameters, input, task_group_id, task_id, task):
+def purge_caches_action(parameters, graph_config, input, task_group_id, task_id, task):
     if task['payload'].get('cache'):
         for cache in task['payload']['cache']:
             purge_cache(task['provisionerId'], task['workerType'], cache, use_proxy=True)
     else:
         logger.info('Task has no caches. Will not clear anything!')