diff --git a/yarn.lock b/yarn.lock
index 0c2c211..20cff97 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -220,10 +220,10 @@ async-exit-hook@^2.0.1:
   resolved "https://registry.yarnpkg.com/async-exit-hook/-/async-exit-hook-2.0.1.tgz#8bd8b024b0ec9b1c01cccb9af9db29bd717dfaf3"
 
 async@^2.0.0, async@^2.6.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
   dependencies:
-    lodash "^4.14.0"
+    lodash "^4.17.14"
 
 babel-code-frame@^6.22.0:
   version "6.26.0"
@@ -1927,7 +1927,7 @@ lodash.zip@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.zip/-/lodash.zip-4.2.0.tgz#ec6662e4896408ed4ab6c542a3990b72cc080020"
 
-lodash@^4.11.1, lodash@^4.14.0, lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.3.0:
+lodash@^4.11.1, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.3.0:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"