diff --git a/package.json b/package.json
index d9812ae..b8332d0 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@types/node": "^6.0.0",
     "@types/q": "^1.0.3",
     "all-contributors-cli": "^4.10.1",
-    "async": "^2.6.0",
+    "async": "^3.2.2",
     "ava": "^0.25.0",
     "babel-core": "^6.26.0",
     "babel-loader": "^7.1.2",
diff --git a/yarn.lock b/yarn.lock
index a1b84de..a0de126 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -577,12 +577,10 @@ async@^2.0.0-rc.1, async@^2.1.2:
   dependencies:
     lodash "^4.17.10"
 
-async@^2.6.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
-  integrity sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==
-  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"
+  integrity sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g==
 
 asynckit@^0.4.0:
   version "0.4.0"
@@ -5820,21 +5818,11 @@ lodash.toplainobject@^3.0.0:
     lodash._basecopy "^3.0.0"
     lodash.keysin "^3.0.0"
 
-lodash@^4.0.0, lodash@^4.2.1:
-  version "4.17.5"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
-  integrity sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw==
-
-lodash@^4.11.2, lodash@^4.14.0, lodash@^4.17.10, lodash@^4.3.0:
+lodash@^4.0.0, lodash@^4.11.2, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.2.1, lodash@^4.3.0:
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
   integrity sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==
 
-lodash@^4.17.4:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-  integrity sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=
-
 log-update@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/log-update/-/log-update-1.0.2.tgz#19929f64c4093d2d2e7075a1dad8af59c296b8d1"