diff --git a/packages/signature-v4a/package.json b/packages/signature-v4a/package.json
index 5c22e6b4dc6..6d0d147bed5 100644
--- a/packages/signature-v4a/package.json
+++ b/packages/signature-v4a/package.json
@@ -37,7 +37,7 @@
     "@smithy/protocol-http": "workspace:^",
     "concurrently": "7.0.0",
     "downlevel-dts": "0.10.1",
-    "elliptic": "6.5.5",
+    "elliptic": "6.6.1",
     "rimraf": "3.0.2"
   },
   "engines": {