diff --git a/test/benchmarking/enduser/package.json b/test/benchmarking/enduser/package.json
index 519210f5..1904912b 100644
--- a/test/benchmarking/enduser/package.json
+++ b/test/benchmarking/enduser/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "async": "^2.5.0",
+    "async": "^3.2.2",
     "bignumber.js": "^4.0.2",
     "config": "^1.26.1",
     "ethereumjs-tx": "^1.3.1",
diff --git a/test/benchmarking/enduser/yarn.lock b/test/benchmarking/enduser/yarn.lock
index 34d8ebec..9eab68e8 100644
--- a/test/benchmarking/enduser/yarn.lock
+++ b/test/benchmarking/enduser/yarn.lock
@@ -6,11 +6,9 @@ aes-js@^0.2.3:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-0.2.4.tgz#94b881ab717286d015fa219e08fb66709dda5a3d"
 
-async@^2.5.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
-  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"
 
 balanced-match@^1.0.0:
   version "1.0.0"
@@ -399,10 +397,6 @@ lodash.keys@^3.0.0:
     lodash.isarguments "^3.0.0"
     lodash.isarray "^3.0.0"
 
-lodash@^4.14.0:
-  version "4.17.5"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
-
 md5.js@^1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.4.tgz#e9bdbde94a20a5ac18b04340fc5764d5b09d901d"