diff --git a/5-step-functions-async-actions/package-lock.json b/5-step-functions-async-actions/package-lock.json
index ee050d6..06e6589 100644
--- a/5-step-functions-async-actions/package-lock.json
+++ b/5-step-functions-async-actions/package-lock.json
@@ -306,9 +306,9 @@
 					}
 				},
 				"async": {
-					"version": "3.2.1",
-					"resolved": "https://registry.npmjs.org/async/-/async-3.2.1.tgz",
-					"integrity": "sha512-XdD5lRO/87udXCMC9meWdYiR+Nq6ZjUfXidViUZGu2F1MO4T3XwZ1et0hb2++BgLfhyJwy44BGB/yx80ABx8hg==",
+					"version": "3.2.3",
+					"resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
+					"integrity": "sha512-spZRyzKL5l5BZQrr/6m/SqFdBN0q3OCI0f9rjfBzCMBIP4p75P620rR3gTmaksNOhmzgdxcaxdNfMy6anrbM0g==",
 					"dev": true
 				}
 			}
@@ -917,9 +917,9 @@
 			"dev": true
 		},
 		"async": {
-			"version": "2.6.3",
-			"resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-			"integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+			"version": "2.6.4",
+			"resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+			"integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
 			"dev": true,
 			"requires": {
 				"lodash": "^4.17.14"