diff --git a/chapter04/nodecc/package-lock.json b/chapter04/nodecc/package-lock.json
index 7c770f7..fa6671e 100644
--- a/chapter04/nodecc/package-lock.json
+++ b/chapter04/nodecc/package-lock.json
@@ -83,18 +83,18 @@
       "dev": true
     },
     "aws-sdk": {
-      "version": "2.369.0",
-      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.369.0.tgz",
-      "integrity": "sha512-9/j4HeTxZTo6bIX+vVIhn0KjwUcFV3pBVwfFJjY5oyyRX62eWei7q3CXLjXR5edTCFkCclSvxIxxZDVgQD+q1g==",
+      "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": "1.1.8",
+        "ieee754": "1.1.13",
         "jmespath": "0.15.0",
         "querystring": "0.2.0",
         "sax": "1.2.1",
         "url": "0.10.3",
-        "uuid": "3.1.0",
+        "uuid": "3.3.2",
         "xml2js": "0.4.19"
       }
     },
@@ -105,9 +105,9 @@
       "dev": true
     },
     "base64-js": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
-      "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
     },
     "blessed": {
       "version": "0.1.81",
@@ -125,9 +125,9 @@
       }
     },
     "buffer": {
-      "version": "4.9.1",
-      "resolved": "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
-      "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
+      "version": "4.9.2",
+      "resolved": "http://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",
@@ -485,9 +485,9 @@
       }
     },
     "ieee754": {
-      "version": "1.1.8",
-      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz",
-      "integrity": "sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q="
+      "version": "1.1.13",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.13.tgz",
+      "integrity": "sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg=="
     },
     "ignore": {
       "version": "4.0.6",
@@ -1000,9 +1000,9 @@
       }
     },
     "uuid": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
-      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g=="
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
     },
     "which": {
       "version": "1.3.1",
diff --git a/chapter04/nodecc/package.json b/chapter04/nodecc/package.json
index 19f8633..6109569 100644
--- a/chapter04/nodecc/package.json
+++ b/chapter04/nodecc/package.json
@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "aws-sdk": "2.369.0",
+    "aws-sdk": "2.814.0",
     "blessed": "0.1.81",
     "jmespath": "0.15.0"
   },