--- a/modules/beetmover_scriptworker/manifests/init.pp
+++ b/modules/beetmover_scriptworker/manifests/init.pp
@@ -25,17 +25,17 @@ class beetmover_scriptworker {
             mode     => '0700',
             packages => [
                 'Jinja2==2.10.0',
                 'MarkupSafe==1.0',
                 'PyYAML==3.12',
                 'aiohttp==2.3.1',
                 'arrow==0.10.0',
                 'async_timeout==1.4.0',
-                'beetmoverscript==5.1.2',
+                'beetmoverscript==6.0.0',
                 'boto3==1.5.19',
                 'botocore==1.8.33',
                 'certifi==2018.1.18',
                 'chardet==3.0.4',
                 'defusedxml==0.5.0',
                 'dictdiffer==0.7.0',
                 'docutils==0.14',
                 'frozendict==1.2',

--- a/modules/beetmover_scriptworker/manifests/settings.pp
+++ b/modules/beetmover_scriptworker/manifests/settings.pp
@@ -27,16 +27,17 @@ class beetmover_scriptworker::settings {
             dep_beetmover_aws_secret_access_key     => secret('stage-beetmover-aws_secret_access_key'),
             dep_beetmover_aws_s3_firefox_bucket     => 'net-mozaws-stage-delivery-firefox',
             dep_beetmover_aws_s3_fennec_bucket      => 'net-mozaws-stage-delivery-archive',
 
             config_template                         => 'beetmover_scriptworker/dev_script_config.json.erb',
             worker_type                             => 'beetmoverworker-dev',
             taskcluster_client_id                   => 'project/releng/scriptworker/beetmover-dev',
             taskcluster_access_token                => secret('beetmoverworker_dev_taskcluster_access_token'),
+            taskcluster_scope_prefix                => 'project:releng:beetmover:',
             sign_chain_of_trust                     => false,
             verify_chain_of_trust                   => true,
             verify_cot_signature                    => false,
         },
         'prod' => {
             nightly_beetmover_aws_access_key_id     => secret('nightly-beetmover-aws_access_key_id'),
             nightly_beetmover_aws_secret_access_key => secret('nightly-beetmover-aws_secret_access_key'),
             nightly_beetmover_aws_s3_firefox_bucket => 'net-mozaws-prod-delivery-firefox',
@@ -51,14 +52,15 @@ class beetmover_scriptworker::settings {
             dep_beetmover_aws_secret_access_key     => secret('stage-beetmover-aws_secret_access_key'),
             dep_beetmover_aws_s3_firefox_bucket     => 'net-mozaws-stage-delivery-firefox',
             dep_beetmover_aws_s3_fennec_bucket      => 'net-mozaws-stage-delivery-archive',
 
             config_template                         => 'beetmover_scriptworker/prod_script_config.json.erb',
             worker_type                             => 'beetmoverworker-v1',
             taskcluster_client_id                   => 'project/releng/scriptworker/beetmoverworker',
             taskcluster_access_token                => secret('beetmoverworker_prod_taskcluster_access_token'),
+            taskcluster_scope_prefix                => 'project:releng:beetmover:',
             sign_chain_of_trust                     => true,
             verify_chain_of_trust                   => true,
             verify_cot_signature                    => true,
         }
     }
 }

--- a/modules/beetmover_scriptworker/templates/base_script_config.json.erb
+++ b/modules/beetmover_scriptworker/templates/base_script_config.json.erb
@@ -1,15 +1,16 @@
     "work_dir": "<%= scope.lookupvar("beetmover_scriptworker::settings::root") %>/work",
     "artifact_dir": "<%= scope.lookupvar("beetmover_scriptworker::settings::root") %>/artifacts",
     "aiohttp_max_connections": 10,
     "checksums_digests": ["sha512", "sha256"],
     "blobs_needing_prettynaming_contents": [
         "target.test_packages.json"
     ],
+    "taskcluster_scope_prefix": "<%= @env_config["taskcluster_scope_prefix"] %>",
 
     "schema_file": "<%= scope.lookupvar("beetmover_scriptworker::settings::root") %>/lib/python3.5/site-packages/beetmoverscript/data/beetmover_task_schema.json",
     "release_schema_file": "<%= scope.lookupvar("beetmover_scriptworker::settings::root") %>/lib/python3.5/site-packages/beetmoverscript/data/release_beetmover_task_schema.json",
 
     "verbose": <%= scope.lookupvar("beetmover_scriptworker::settings::verbose_logging") %>,
 
     "actions": {
         "push-to-nightly": {