diff --git a/AWS/book-aws-lambda/SubscribeToS3/package-lock.json b/AWS/book-aws-lambda/SubscribeToS3/package-lock.json
index f5592c81..817f282a 100644
--- a/AWS/book-aws-lambda/SubscribeToS3/package-lock.json
+++ b/AWS/book-aws-lambda/SubscribeToS3/package-lock.json
@@ -15,12 +15,9 @@
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-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
-      "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
-      "requires": {
-        "lodash": "4.17.5"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
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@@ -60,11 +57,6 @@
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       "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
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-    "lodash": {
-      "version": "4.17.5",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.5.tgz",
-      "integrity": "sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw=="
-    },
     "lru-cache": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.1.tgz",
diff --git a/AWS/book-aws-lambda/SubscribeToS3/package.json b/AWS/book-aws-lambda/SubscribeToS3/package.json
index 565e66a3..3762fc25 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": "^3.2.2",
     "gm": "^1.23.1",
     "util": "^0.10.3"
   }