diff --git a/yarn.lock b/yarn.lock
index 2113c0b..a96fbb3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -122,9 +122,9 @@ array-flatten@1.1.1:
   integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
 
 async@^3.0.1:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-3.2.0.tgz#b3a2685c5ebb641d3de02d161002c60fc9f85720"
-  integrity sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw==
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.2.4.tgz#2d22e00f8cddeb5fde5dd33522b56d1cf569a81c"
+  integrity sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ==
 
 babel-code-frame@^6.26.0:
   version "6.26.0"