diff --git a/package-lock.json b/package-lock.json
index af6edf4..bed5ca4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -245,12 +245,9 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
-      "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
-      "requires": {
-        "lodash": "^4.17.11"
-      }
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.0.1.tgz",
+      "integrity": "sha512-ZswD8vwPtmBZzbn9xyi8XBQWXH3AvOQ43Za1KWYq7JeycrZuUYzx01KvHcVbXltjqH4y0MWrQ33008uLTqXuDw=="
     },
     "atob": {
       "version": "2.1.2",
@@ -2358,7 +2355,8 @@
     "lodash": {
       "version": "4.17.11",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+      "dev": true
     },
     "lodash.flattendeep": {
       "version": "4.4.0",
diff --git a/package.json b/package.json
index 694d8dc..e4f7ef3 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     ]
   },
   "dependencies": {
-    "async": "^2.6.1",
+    "async": "^3.0.1",
     "collections": "^5.1.7",
     "debug": "^4.1.1",
     "oniguruma": "^7.0.2"