diff --git a/.security-review/suppressions.json b/.security-review/suppressions.json
new file mode 100644
index 0000000..83ea9f9
--- /dev/null
+++ b/.security-review/suppressions.json
@@ -0,0 +1,8 @@
+{
+  "suppressions": [
+    {
+      "id": "gitleaks-generic-api-key-45",
+      "justification": "False positive. tests/test_submit_order.py:45 defines a low-entropy dummy test constant used as the mocked get_secret return value and injected as the x-api-key header in the test harness (the module makes no real AWS calls). Not a live credential; the real key lives in Secrets Manager (FORM_APIKEY_SM_NAME). Verified proof-or-kill 2026-07-13. Moved from machine-level to repo-local so the Open SWE daily-report automation resolves it."
+    }
+  ]
+}