diff --git a/package-lock.json b/package-lock.json
index 7a5a278..93d461a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,13 +5,10 @@
   "requires": true,
   "dependencies": {
     "async": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
-      "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.17.11"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g==",
+      "dev": true
     },
     "balanced-match": {
       "version": "1.0.0",
@@ -183,12 +180,6 @@
         "has-symbols": "^1.0.0"
       }
     },
-    "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-      "dev": true
-    },
     "memory-pager": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
diff --git a/package.json b/package.json
index d2b77e9..34ab22e 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "async": "^2.6.2",
+    "async": "^3.2.2",
     "mongodb": "^3.1.13",
     "tape": "^4.10.1"
   },