diff --git a/signing-manifests/test-mac.yml b/signing-manifests/test-mac.yml
index 381ce16..e3aa45b 100644
--- a/signing-manifests/test-mac.yml
+++ b/signing-manifests/test-mac.yml
@@ -12,3 +12,4 @@ mac-behavior: mac_notarize_vpn
 fetch:
     type: static-url
     url: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/SJ_obIW2TnKWYpUjpWCSHA/runs/0/artifacts/public%2Fbuild%2FMozillaVPN.tar.gz
+
diff --git a/taskcluster/ci/config.yml b/taskcluster/ci/config.yml
index 0c07129..3e83e2a 100644
--- a/taskcluster/ci/config.yml
+++ b/taskcluster/ci/config.yml
@@ -41,7 +41,7 @@ workers:
             provisioner: scriptworker-k8s
             implementation: scriptworker-signing
             os: scriptworker
-            worker-type: adhoc-t-signing
+            worker-type: adhoc-t-signing-dev
         signing:
             provisioner: scriptworker-k8s
             implementation: scriptworker-signing
@@ -49,7 +49,7 @@ workers:
             worker-type:
                 by-level:
                     "3": adhoc-3-signing
-                    default: adhoc-t-signing
+                    default: adhoc-t-signing-dev
         mac-signing:
             provisioner: scriptworker-prov-v1
             implementation: scriptworker-mac-signing