diff --git a/yarn.lock b/yarn.lock
index 8be01a2..438a328 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -93,11 +93,11 @@ assert-plus@1.0.0, assert-plus@^1.0.0:
   integrity sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=
 
 async@^2.6.1:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.2.tgz#18330ea7e6e313887f5d2f2a904bac6fe4dd5381"
-  integrity sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
   dependencies:
-    lodash "^4.17.11"
+    lodash "^4.17.14"
 
 asynckit@^0.4.0:
   version "0.4.0"
@@ -561,7 +561,7 @@ kuler@1.0.x:
   dependencies:
     colornames "^1.1.1"
 
-lodash@^4.17.11:
+lodash@^4.17.11, lodash@^4.17.14:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==