diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 2c5d47c..13650e5 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -4,3 +4,5 @@ on:
 jobs:
   review:
     uses: Sea-Haven-Industries/.github/.github/workflows/callable-dependency-review.yaml@main
+    with:
+      allow-ghsas: GHSA-mh99-v99m-4gvg
diff --git a/.security-review/suppressions.json b/.security-review/suppressions.json
new file mode 100644
index 0000000..d5e6120
--- /dev/null
+++ b/.security-review/suppressions.json
@@ -0,0 +1,13 @@
+{
+  "suppressions": [
+    {
+      "advisory": "GHSA-mh99-v99m-4gvg",
+      "package": "brace-expansion",
+      "introducedBy": "aws-cdk-lib@2.262.1",
+      "scope": "Build-time CDK synthesis only; no untrusted pattern input or runtime deployment artifact.",
+      "reason": "The vulnerable copy is bundled by the latest aws-cdk-lib release and cannot be overridden or updated independently. Dependabot monitors the pinned CDK dependency.",
+      "reviewBy": "2026-08-10",
+      "tracking": "SH-133"
+    }
+  ]
+}