diff --git a/package-lock.json b/package-lock.json
index 0fec5b3..ca2f1c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -71,9 +71,12 @@
       }
     },
     "async": {
-      "version": "0.2.10",
-      "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
-      "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E="
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "requires": {
+        "lodash": "^4.17.14"
+      }
     },
     "atom-select-list": {
       "version": "0.7.2",
@@ -920,8 +923,7 @@
     "lodash": {
       "version": "4.17.15",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-      "dev": true
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
     },
     "lodash.assign": {
       "version": "4.2.0",
diff --git a/package.json b/package.json
index e3130c0..8c7b526 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     ]
   },
   "dependencies": {
-    "async": "^0.2.6",
+    "async": "^2.6.4",
     "atom-select-list": "^0.7.0",
     "ctags": "^3.1.0",
     "fs-plus": "^3.0.0",