diff --git a/script/package-lock.json b/script/package-lock.json
index e6aa159f902..844305330f8 100644
--- a/script/package-lock.json
+++ b/script/package-lock.json
@@ -669,11 +669,18 @@
       "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg=="
     },
     "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": {
diff --git a/script/package.json b/script/package.json
index e7df5f46e3f..b417e8e4763 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",
     "babel-eslint": "^10.0.1",
     "cheerio": "1.0.0-rc.2",