diff --git a/AWS/book-aws-lambda/SubscribeToS3/package-lock.json b/AWS/book-aws-lambda/SubscribeToS3/package-lock.json
index f5592c81..2602ac9c 100644
--- a/AWS/book-aws-lambda/SubscribeToS3/package-lock.json
+++ b/AWS/book-aws-lambda/SubscribeToS3/package-lock.json
@@ -15,11 +15,11 @@
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-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
-      "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "requires": {
-        "lodash": "4.17.5"
+        "lodash": "^4.17.14"
       }
     },
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@@ -61,9 +61,9 @@
       "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
     },
     "lodash": {
-      "version": "4.17.5",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.5.tgz",
-      "integrity": "sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
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diff --git a/AWS/book-aws-lambda/SubscribeToS3/package.json b/AWS/book-aws-lambda/SubscribeToS3/package.json
index 565e66a3..cbe612cd 100644
--- a/AWS/book-aws-lambda/SubscribeToS3/package.json
+++ b/AWS/book-aws-lambda/SubscribeToS3/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "async": "^2.6.0",
+    "async": "^2.6.4",
     "gm": "^1.23.1",
     "util": "^0.10.3"
   }