diff --git a/package.json b/package.json
index 21e6373..5c61893 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "restify": "^4.3.0"
   },
   "dependencies": {
-    "async": "^2.4.1",
+    "async": "^3.2.2",
     "chalk": "^1.1.3",
     "commander": "^2.9.0",
     "csv": "^1.1.1",
diff --git a/yarn.lock b/yarn.lock
index 21873b4..79b43b1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -186,11 +186,9 @@ async@^1.4.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.4.1.tgz#62a56b279c98a11d0987096a01cc3eeb8eb7bbd7"
-  dependencies:
-    lodash "^4.14.0"
+async@^3.2.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.2.2.tgz#2eb7671034bb2194d45d30e31e24ec7e7f9670cd"
 
 asynckit@^0.4.0:
   version "0.4.0"
@@ -2501,7 +2499,7 @@ lodash.get@^4.0.0:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
 
-lodash@^4.0.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0:
+lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"