diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index 165ecb8..b5d1fce 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -11,5 +11,12 @@ permissions:
   contents: read
 jobs:
   scan:
+# The reusable's gitleaks job requests pull-requests: write (PR summary
+    # comment) and actions: read (workflow-run metadata) at job level; the
+    # caller must grant at least that or the run startup-fails.
+    permissions:
+      contents: read
+      pull-requests: write
+      actions: read
     uses: hyperpolymath/standards/.github/workflows/secret-scanner-reusable.yml@c65436ee3351cd6b0fa14b142938b195efc77586
     secrets: inherit