diff --git a/package.json b/package.json
index 466240d..58d8294 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@babel/plugin-proposal-class-properties": "^7.10.4",
     "@babel/preset-env": "^7.11.5",
     "@babel/register": "^7.11.5",
-    "async": "~0.9.0",
+    "async": "~3.2.2",
     "babel-eslint": "^6.1.2",
     "chai": "~1.10.0",
     "eslint": "^3.1.0",
diff --git a/yarn.lock b/yarn.lock
index dc2383e..a0f86a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1156,6 +1156,11 @@ async@~1.0.0:
   resolved "https://registry.yarnpkg.com/async/-/async-1.0.0.tgz#f8fc04ca3a13784ade9e1641af98578cfbd647a9"
   integrity sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=
 
+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==
+
 atob@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"