diff --git a/script/package-lock.json b/script/package-lock.json
index 3fbee8d80f7..a73f5842d8f 100644
--- a/script/package-lock.json
+++ b/script/package-lock.json
@@ -343,11 +343,18 @@
       }
     },
     "async": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.0.1.tgz",
-      "integrity": "sha1-twnMAoCpw28J9FNr6CPIOKkEniU=",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "requires": {
-        "lodash": "^4.8.0"
+        "lodash": "^4.17.14"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+        }
       }
     },
     "asynckit": {
@@ -684,6 +691,7 @@
       "version": "0.4.2",
       "resolved": "https://registry.npmjs.org/boom/-/boom-0.4.2.tgz",
       "integrity": "sha1-emNune1O/O+xnO9JR6PGffrukRs=",
+      "optional": true,
       "requires": {
         "hoek": "0.9.x"
       }
@@ -3172,7 +3180,8 @@
     "hoek": {
       "version": "0.9.1",
       "resolved": "https://registry.npmjs.org/hoek/-/hoek-0.9.1.tgz",
-      "integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU="
+      "integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU=",
+      "optional": true
     },
     "home-or-tmp": {
       "version": "1.0.0",
diff --git a/script/package.json b/script/package.json
index 82b1b641e55..77896c50e5a 100644
--- a/script/package.json
+++ b/script/package.json
@@ -3,7 +3,7 @@
   "description": "Atom build scripts",
   "dependencies": {
     "7zip-bin": "^4.0.2",
-    "async": "2.0.1",
+    "async": "2.6.4",
     "babel-core": "5.8.38",
     "cheerio": "1.0.0-rc.2",
     "coffeelint": "1.15.7",