diff --git a/package.json b/package.json
index 984ba49..85911b2 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "url": "https://github.com/foundation/supercollider/issues"
   },
   "dependencies": {
-    "async": "^0.9.0",
+    "async": "^3.2.2",
     "chalk": "^1.1.1",
     "commander": "^2.8.1",
     "escape-html": "^1.0.3",
diff --git a/yarn.lock b/yarn.lock
index 6ea0e68..0fc39a9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -158,10 +158,10 @@ assertion-error@^1.0.1:
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
   integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
 
-async@^0.9.0:
-  version "0.9.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-0.9.2.tgz#aea74d5e61c1f899613bf64bda66d4c78f2fd17d"
-  integrity sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0=
+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==
 
 babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"