diff --git a/simulator/src/package-lock.json b/simulator/src/package-lock.json
index a397168..c443117 100644
--- a/simulator/src/package-lock.json
+++ b/simulator/src/package-lock.json
@@ -28,11 +28,11 @@
       "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
     },
     "aws-sdk": {
-      "version": "2.536.0",
-      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.536.0.tgz",
-      "integrity": "sha512-d91ASAgDtjP5Al8nRtdOhnS6m7XczqdmVfkyFtd7GlWJ2jy2NxQ+PI4QVp7n/74BNRSSLoyxmCqz2Ulqu3TOsQ==",
+      "version": "2.814.0",
+      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.814.0.tgz",
+      "integrity": "sha512-empd1m/J/MAkL6d9OeRpmg9thobULu0wk4v8W3JToaxGi2TD7PIdvE6yliZKyOVAdJINhBWEBhxR4OUIHhcGbQ==",
       "requires": {
-        "buffer": "4.9.1",
+        "buffer": "4.9.2",
         "events": "1.1.1",
         "ieee754": "1.1.13",
         "jmespath": "0.15.0",
@@ -72,9 +72,9 @@
       }
     },
     "buffer": {
-      "version": "4.9.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
-      "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
+      "version": "4.9.2",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.2.tgz",
+      "integrity": "sha512-xq+q3SRMOxGivLhBNaUdC64hDTQwejJ+H0T/NB1XMtTVEwNTrfFF3gAxiyW0Bu/xWEGhjVKgUcMhCrUy2+uCWg==",
       "requires": {
         "base64-js": "^1.0.2",
         "ieee754": "^1.1.4",
diff --git a/simulator/src/package.json b/simulator/src/package.json
index 0eccf95..c3dde38 100644
--- a/simulator/src/package.json
+++ b/simulator/src/package.json
@@ -6,7 +6,7 @@
   "author": "Tingtao Xu <tingtaox@amazon.com>",
   "license": "MIT",
   "dependencies": {
-    "aws-sdk": "^2.3.9",
+    "aws-sdk": "^2.814.0",
     "crypto-js": "^3.1.6",
     "elasticsearch": "^15.2.0",
     "moment": "^2.13.0",