diff --git a/.github/workflows/treadmill-ci-test.yml b/.github/workflows/treadmill-ci-test.yml
index 4b9b964..79b332f 100644
--- a/.github/workflows/treadmill-ci-test.yml
+++ b/.github/workflows/treadmill-ci-test.yml
@@ -96,7 +96,7 @@ jobs:
 
       # Provide access to the required Treadmill secrets by running in the
       # appropriate environment (depending on the on: triggers above)
-      job-environment: ${{ github.event_name == 'pull_request' && 'treadmill-ci' || 'treadmill-ci-merged' }}
+      job-environment: ${{ (github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch') && 'treadmill-ci' || 'treadmill-ci-merged' }}
 
 
       # This workflow tests the tock-hardware-ci scripts itself, so take the